For most plumbing, buy the Channellock 440. Get a Knipex Cobra for 2 in. steel, the Knipex Pliers Wrench for chrome and the Channellock 480 for 4 in. pipe.
Top pick: Channellock 440$21.52 at AmazonPrice as of Oct 23, 2026, 5:30 AM EDT
Three pairs of tongue-and-groove pliers and one pliers wrench for finished nuts, with an adjustable wrench for hex nuts after the cards. All four were new and in stock on Oct 21, 2026. Prices come from Amazon and show the time they were read.
Best for most plumbing nuts and pipe to 2 in. copper
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
The pair to buy first: Channellock 440
Best for most plumbing nuts and pipe to 2 in. copper
12 in. long2¼ in. jaw capacity1½ in. jaw length1.64 lbHigh-carbon U.S. steel430 sku: 10 in., 2 in.
Buy it if
You want one pair for slip nuts, supply lines and pipe up to 2 in. copper or 1½ in. steel and PVC.
Skip it if
Most of your work is chrome trim, or steel and PVC pipe 2 in. and larger.
The 440 is the size most people picture when they say channel locks: 12 in. long, straight toothed jaws and blue grips. Channellock lists a jaw capacity of 2¼ in., a jaw length of 1½ in. and a weight of 1.64 lb. That opening takes 2 in. copper tube, which measures 2⅛ in. outside.
Channellock forges it from high-carbon U.S. steel with a coating to slow rust. The teeth are laser hardened and cut at 90 degrees. The tongue and groove is undercut, which Channellock says keeps the joint from slipping out of its channel when you bear down.
The joint is held by Channellock’s PERMALOCK fastener instead of a nut and bolt, and Channellock’s plumbing page says that eliminates nut and bolt failure. There’s also a patented reinforcing edge along the channels. Channellock says its non-locking pliers are 100% made in the USA.
Size it against your work. At 2¼ in., the 440 fits steel and PVC pipe up to 1½ in., which is 1.90 in. outside. It won’t take 2 in. steel or PVC, which is 2⅜ in. outside. For that, step up to the Cobra 87 01 300 below.
The second sku is the 430: 10 in. long, 2 in. capacity, 1.18 lb. Channellock’s plumbing page calls the 430 a staple in every plumber’s bag. It’s 2 in. shorter for vanity cabinets and still takes 1½ in. copper and 1½ in. steel or PVC.
Channellock’s Built Strong Limited Lifetime Warranty covers defects. You can swap a failed tool at a local retailer or ship it to Channellock in Meadville, PA. Channellock lists what it won’t cover, including normal wear such as rounded teeth, loose joints, hammer strikes and damage from live wires.
Two limits. The teeth will mark chrome and plated nuts, so use the Pliers Wrench below for finished parts. And on Oct 21, 2026 the 440 here shipped from Hearthshire, not Amazon.com, so check the seller line before you buy. My call: if you only buy one pair, buy the 440.
When you want push-button sizing: the Knipex Cobra
Listing capacities for XL and XXL differ from Knipex
Push-button joint has more parts
The 22 in. XXL weighs about 6.1 lb
87 01 300: 12 in.30 positionsPipe to 2¾ in. (70 mm)Nuts to 60 mm530 gDIN ISO 8976
Buy it if
You size a lot of different nuts in a day, or need 2 in. steel and PVC pipe in a 12 in. tool.
Skip it if
Your work is mostly chrome trim. The Pliers Wrench’s smooth jaws are made for that.
The Cobra adjusts differently from a Channellock. Instead of lifting the jaw from one channel to the next, you press a button on the joint and slide the jaw onto the work. Knipex lists 30 positions on the 12 in. 87 01 300, with capacity for 2¾ in. (70 mm) pipe and 60 mm nuts.
Knipex calls it self-clamping on pipes and nuts. The teeth are offset against the direction of rotation, which Knipex says gives a firm hold, and they’re hardened to about 61 HRC. Knipex also calls the Cobra ideal for counter screw joints, where you hold one fitting while turning another.
The joint is a box design with a double guide, and a pinch guard keeps your fingers clear of the handles. The steel is chrome vanadium electric steel, forged and oil hardened. The 87 01 300 weighs 530 g, about 1.17 lb, and meets DIN ISO 8976.
Capacity is the reason to pick it over the 440. At 2¾ in., the 87 01 300 fits 2 in. steel and PVC pipe at 2⅜ in. outside, and 2½ in. copper at 2⅝ in. The Channellock 440 stops at 2¼ in.
Three more sizes sit on this card. The 10 in. 87 02 250 has 25 positions and 2 in. capacity at 366 g. The 16 in. Cobra XL 87 01 400 opens to 3½ in., and the 22 in. Cobra XXL 87 01 560 opens to 4½ in., per Knipex’s product pages.
Knipex sells spare parts. Plastic jaw covers, part 87 09 300 V01, come three pairs to a pack and fit every 87 XX 300 model made since 2008. An adjustment kit, 87 09 01, replaces the button parts. The covers help on finished surfaces, though the Pliers Wrench is built for that job.
My call: buy the Cobra if you want one-hand sizing, or a 12 in. tool that takes 2 in. steel. All four sizes were sold by Amazon.com on Oct 21, 2026. The Amazon titles for the XL and XXL list bigger capacities than Knipex does, so this page uses Knipex’s numbers.
For chrome and finished nuts: Knipex Pliers Wrench
86 03 250: 10 in.Nuts to 52 mm19 positions465 g8.0 mm jaw thicknessChrome plated
Buy it if
You tighten chrome, brass or plated nuts that will still show after the job.
Skip it if
You need to turn or hold round pipe. Use the 440 or the Cobra.
The Pliers Wrench works differently from the other pliers here. Its jaws are smooth and stay parallel as they close, like a wrench. Knipex sells it for damage-free installation of plated fittings and says it works directly on chrome.
Knipex says it replaces a set of metric and imperial wrenches. You press a button and set the jaws to the nut, using one of 19 positions, up to a 2 in. (52 mm) nut. Knipex says the jaw pressure has zero backlash, so the jaws sit tight on the flats.
It also has a ratchet-type action. Knipex describes quick tightening and release: ease off the handles to swing back for the next turn, without taking the tool off the nut. Knipex also says the handles give high lever transmission.
The tool is chrome plated, 250 mm long (about 10 in.) and weighs 465 g, about 1 lb. The jaws are 8.0 mm thick, thinner than the 0.5 in. (12.7 mm) jaws on the Crescent wrench below. That matters on a nut tucked close to a wall or a basin.
It’s the pick here for a chrome supply nut, a faucet’s mounting nut or trim you’ll see after the job. Toothed pliers leave marks on those parts. Our guide on whether channel locks scratch chrome covers why.
Where it doesn’t fit: round pipe. Smooth parallel jaws are made for flats, and Knipex sells the Cobra for pipe. Its 2 in. capacity also caps it at nuts that size, so a bigger nut needs a Cobra or a 440 with a rag over the finish.
My call: if you install faucets, shower trim or chrome supply lines, this is the second tool to buy after a 440. It was sold by Amazon.com on Oct 21, 2026. Against an adjustable wrench it covers a bigger range in a shorter tool: 2 in. nuts from 10 in., where the 12 in. Crescent opens to 1½ in.
20¼ in. long5½ in. jaw capacity3 in. jaw length3.81 lb12 channelsModel 480 BIGAZZ
Buy it if
You work on 3 or 4 in. pipe and fittings, such as PVC drain and vent lines.
Skip it if
Your largest pipe is 2 in. The 440 or the Cobra is easier to carry.
Big pipe is where 16 in. pliers run out. A 4 in. steel or PVC pipe is 4½ in. outside, and Channellock’s 16½ in. 460 opens to 3¾ in. The 480 BIGAZZ is 20¼ in. long and opens to 5½ in., per Channellock, so it takes 4 in. pipe with an inch to spare.
Channellock lists a 3 in. jaw length, a weight of 3.81 lb and 12 undercut channels. The build matches the 440: PERMALOCK fastener, reinforcing edge, laser-hardened 90-degree teeth, and forged high-carbon U.S. steel with a rust coating and blue grips.
Compare it with Knipex’s biggest Cobra on the card above. The XXL 87 01 560 is 22 in. long, opens to 4½ in. per Knipex and weighs 2,780 g, about 6.1 lb. The 480 is shorter, about 2.3 lb lighter and opens an inch wider. The Cobra adds push-button sizing and 20 positions.
A 4 in. copper line is 4⅛ in. outside, which the 480 also takes. On 4 in. steel or PVC, the Cobra XXL is right at its 4½ in. limit, where the 480 still has room. That margin is why the 480 is the pick for 4 in. work.
The size is the trade. At almost 4 lb and 20 in. long, it’s a tool for the truck, not a pouch. Under a sink or in a vanity, the 440 or a Cobra fits far better. The 480 is for the day a 3 or 4 in. fitting has to turn.
On Oct 21, 2026 the 480 here shipped from Zoba Tools and was in stock. The 460, which covers 3 in. pipe, had only 4 left on Amazon on Oct 19, so it isn’t linked. Channellock’s Built Strong warranty is the same as on the 440.
My call: if you work on 3 or 4 in. drain and vent lines, add the 480. If 3 in. is your largest pipe, the Cobra XL opens to 3½ in., enough for 3 in. copper at 3⅛ in. and right at the limit for 3 in. steel or PVC.
For hex nuts: an adjustable wrench
An adjustable wrench grips flats, not round pipe, and plumbing has a lot of flats: supply nuts, compression nuts and hex fittings. The Crescent AC212VS is Crescent’s 12 in. adjustable. It opens from 0 to 1½ in., weighs 1.81 lb and has a 0.5 in. thick jaw, per Crescent.
Crescent says the hex jaw design reduces slippage, and a laser-etched SAE and metric scale on the jaw lets you set the opening before you reach in. It meets or exceeds ANSI and ASME standards and carries Crescent’s Full Lifetime warranty. It isn’t scored with the pliers, since a wrench can’t grip pipe.
Crescent’s FAQ is the best how-to for it. Put the jaws on the flat sides of the nut, not the corners, and snug the knurl before every pull. Crescent lists three causes of slipping: jaws set too loose, gripping on the corners, or a nut that’s already starting to round.
The Pliers Wrench above covers nuts to 2 in. with thinner jaws; our channel locks vs pipe wrench guide covers the next tool up for threaded steel pipe.
All four side by side
Length, capacity, weight and jaws for each pick, from each maker’s product page.
Pick
Spec score
Type
Length
Opens to
Weight
Jaws
Channellock 440
7.3
Tongue and groove
12 in.
2¼ in.
1.64 lb
Toothed, 90 degrees
Knipex Cobra 87 01 300
9.0
Push-button water pump pliers
12 in.
2¾ in. pipe, 60 mm nut
1.17 lb
Toothed, about 61 HRC
Knipex Pliers Wrench 86 03 250
8.3
Push-button pliers wrench
10 in.
2 in. (52 mm) nut
1.03 lb
Smooth, parallel
Channellock 480
7.3
Tongue and groove
20¼ in.
5½ in.
3.81 lb
Toothed, 90 degrees
From Channellock, Knipex and Crescent product pages, read Oct 19, 2026. Knipex weights converted from grams. Green marks the smooth jaws for finished surfaces.
The two Knipex tools are the lightest for their reach. The Cobra opens half an inch wider than the 440 and weighs about a half pound less. The 12 in. Crescent wrench in the next section weighs more than either, 1.81 lb, and opens to 1½ in.
For under-sink work the 10 in. tools are the easiest to swing in a cabinet. For anything 3 in. and up, only the 480 and the Cobra XL and XXL on the Cobra card reach.
Which pliers fit your pipe size
Pipe is sold by a nominal size, but pliers have to open past the outside diameter. Copper tube runs ⅛ in. bigger than its name. Steel and PVC run bigger still.
Pipe
Copper OD
Smallest for copper
Steel, PVC OD
Smallest for steel, PVC
½ in.
⅝ in.
Channellock 420
0.84 in.
Channellock 420
¾ in.
⅞ in.
Channellock 420
1.05 in.
Channellock 420
1 in.
1⅛ in.
Channellock 420
1.32 in.
Channellock 420
1¼ in.
1⅜ in.
Channellock 420
1.66 in.
Channellock 430, Cobra 250
1½ in.
1⅝ in.
Channellock 430, Cobra 250
1.90 in.
Channellock 430, Cobra 250
2 in.
2⅛ in.
Channellock 440
2⅜ in.
Cobra 300
2½ in.
2⅝ in.
Cobra 300
2⅞ in.
Cobra XL
3 in.
3⅛ in.
Cobra XL
3½ in.
Cobra XL (at limit), Channellock 460
4 in.
4⅛ in.
Cobra XXL
4½ in.
Cobra XXL (at limit), Channellock 480
OD is outside diameter. Cobra 250, 300, XL and XXL are Knipex 87 02 250, 87 01 300, 87 01 400 and 87 01 560. Outside diameters: copper tube from the Copper Development Association’s Copper Tube Handbook (nominal plus ⅛ in.); steel pipe from ASME B36.10M; Schedule 40 PVC from ASTM D1785, which matches steel. Tool capacities from Channellock and Knipex, read Oct 19, 2026.
The jump that catches people is 2 in. A 12 in. Channellock 440 takes 2 in. copper but not 2 in. steel or PVC, because those are ¼ in. bigger outside. That’s the single best reason to pick the Cobra 87 01 300 over the 440.
“At its limit” means the tool’s published capacity equals the pipe’s outside diameter. The next size up gives you room to close the jaws around it.
How wide each tool opens
Every tool on this page and the Channellock sizes around it, by published capacity.
From Channellock, Knipex and Crescent product pages, read Oct 19, 2026. Knipex lists pipe capacity in inches and millimeters; the Pliers Wrench is rated for nuts.
Length and capacity don’t scale evenly. The 12 in. Cobra opens ½ in. wider than the 12 in. Channellock 440. At the big end, the 20¼ in. Channellock 480 opens an inch wider than the 22 in. Cobra XXL.
The adjustable wrench and the Pliers Wrench are rated for nuts, not pipe. Their numbers are the widest flats they close on.
Channellock sizes for plumbing
Channellock’s plumbing page lists the 420, 430 and 440. Here’s the full straight-jaw run and the V-jaw 442, with the pipe each one takes.
Model
Length
Capacity
Weight
Largest copper
Largest steel or PVC
420
9½ in.
1½ in.
0.87 lb
1¼ in.
1 in.
430
10 in.
2 in.
1.18 lb
1½ in.
1½ in.
440
12 in.
2¼ in.
1.64 lb
2 in.
1½ in.
442 V-jaw
12 in.
2¼ in.
1.78 lb
2 in.
1½ in.
460
16½ in.
3¾ in.
2.67 lb
3 in.
3 in.
480
20¼ in.
5½ in.
3.81 lb
5 in.
4 in.
From channellock.com product pages for each model, read Oct 19, 2026. Pipe columns compare each capacity with the outside diameters in the pipe chart above.
The 442 has the same capacity as the 440 in a V-shaped jaw. Channellock also lists smooth-jaw 415 and 445 models and a soft-jaw 415SJ on its plumbing page for finished surfaces. On Oct 19, 2026 the 415 showed 9 left on Amazon and the 445 and 415SJ weren’t listed new, so they aren’t linked.
Channellock calls the 430 a staple in every plumber’s bag. The 440 is the same tool 2 in. longer with ¼ in. more capacity.
Knipex Cobra sizes compared
Four Cobra sizes from Knipex’s own technical tables. All four use the same push-button joint and toothed jaws.
Model
Length
Positions
Pipe
Nuts
Weight
87 02 250
250 mm (about 10 in.)
25
2 in. (50 mm)
46 mm
366 g
87 01 300
300 mm (about 12 in.)
30
2¾ in. (70 mm)
60 mm
530 g
87 01 400 XL
400 mm (about 16 in.)
27
3½ in. (90 mm)
95 mm
1,190 g
87 01 560 XXL
560 mm (about 22 in.)
20
4½ in. (115 mm)
120 mm
2,780 g
From knipex.com product pages (technical attributes), read Oct 19, 2026. All four list DIN ISO 8976. Knipex calls the XL and XXL lighter than comparable pipe wrenches.
The 87 02 250 has slim multi-component grips without a collar, which Knipex says makes it easier to carry. The XL and XXL use non-slip plastic-coated handles.
Knipex describes the XXL as made for work on large pipe fittings. Its 120 mm nut capacity is the biggest on this page. For 2 in. pipe and smaller, the 300 is the size to buy.
Toothed jaws or smooth jaws?
Teeth bite into round pipe. Smooth jaws hold flats without marking them. Most plumbing kits need one of each.
Tool
Jaws
Made for
On chrome
Channellock 440, 430, 480
Laser-hardened 90-degree teeth
Pipe, fittings, slip nuts
Will mark it
Knipex Cobra
Teeth about 61 HRC, offset
Pipe and nuts, counter-holding
Will mark it; jaw covers sold
Knipex Pliers Wrench
Smooth, parallel
Plated and chrome nuts
Knipex says use directly on chrome
Crescent AC212VS
Smooth hex jaw
Hex nuts and fittings
Flat jaws on flats
Channellock 415, 445
Smooth jaw tongue and groove
Finished surfaces
On Channellock’s plumbing list
From Channellock, Knipex and Crescent product pages and Channellock’s plumbing page, read Oct 19, 2026.
Teeth are why tongue-and-groove pliers hold pipe at all. On chrome or brass trim they leave the bite marks you’d expect. A rag over the finish helps, but smooth jaws are the fix.
The Cobra’s plastic jaw covers, part 87 09 300 V01, are a middle path for the 300 size. They turn a toothed Cobra into a softer grip for the occasional finished part.
Which tool for which plumbing job
My call for common plumbing jobs, from each tool’s published jaws and capacity.
For a nut you can’t reach from below a sink, a basin wrench is the tool. And for small wire and cutting jobs on a water heater or disposal, our lineman’s pliers guide covers that.
Channel lock pliers vs an adjustable wrench
Both adjust. They grip in different ways, so the job decides.
Slip causes from Crescent’s adjustable wrench FAQ; adjustment styles from Channellock, Knipex and Crescent product pages, read Oct 19, 2026.
The Knipex Pliers Wrench sits between the two. It has the smooth flat jaws of a wrench, but you squeeze it like pliers and it sets with a button. That’s why it’s on this page for chrome.
If you carry only two tools, a 440 and a 12 in. adjustable cover most under-sink work. Add the Pliers Wrench when chrome is part of the job.
Channels, buttons and knurls
How you set each tool to size, from the makers’ descriptions.
Tool
How it sets
Steps
What the maker says
Channellock 440
Lift and move the jaw to another channel
Fixed channels
Undercut tongue and groove won’t slip
Channellock 480
Same, on 12 channels
12 channels
12 undercut channels
Knipex Cobra 300
Press the button, slide onto the work
30 positions
Fine adjustment, self-clamping
Knipex Pliers Wrench
Press the button, close on the flats
19 positions
Zero-backlash jaw pressure
Crescent AC212VS
Roll the knurl
Any opening to 1½ in.
Hex jaw design reduces slippage
Channels set the jaw in steps, so you pick the one that grips best and squeeze. The push-button tools set on the work itself, which Knipex calls adjusting directly on the workpiece. The wrench sets anywhere in its range, but you have to snug it each time.
Fewer steps between sizes means less slop on a nut that falls between channels. The Cobra’s 30 positions in 2¾ in. are the finest steps on this page.
For 3 and 4 in. pipe: four big tools compared
The 16 in. size is where most people start for big pipe. Here’s how it compares with the 20 and 22 in. tools.
Tool
Length
Capacity
Weight
Takes 4 in. steel or PVC?
Channellock 460
16½ in.
3¾ in.
2.67 lb
No
Knipex Cobra XL 87 01 400
16 in.
3½ in.
2.62 lb
No
Knipex Cobra XXL 87 01 560
22 in.
4½ in.
6.13 lb
At its limit
Channellock 480
20¼ in.
5½ in.
3.81 lb
Yes, with room
From Channellock and Knipex product pages, read Oct 19, 2026. 4 in. steel pipe (ASME B36.10M) and Schedule 40 PVC (ASTM D1785) are 4½ in. outside.
This is the answer to a common question: will 16 in. channel locks fit 4 in. pipe? Not by the makers’ numbers. Both 16 in. tools stop under 4 in., and 4 in. pipe is 4½ in. outside.
For 3 in. pipe, the 16 in. sizes work: 3 in. copper is 3⅛ in. and 3 in. steel or PVC is 3½ in. outside.
Warranty, steel and where they’re made
What each maker states about the steel and the warranty, as read on its site.
Maker
Steel
Warranty
Made in
Channellock
Forged high-carbon U.S. steel, laser-hardened teeth
Built Strong Limited Lifetime
USA for non-locking pliers, per Channellock
Knipex
Chrome vanadium electric steel, forged, oil hardened
Lifetime Limited, KNIPEX Tools North America
Not stated on the pages read
Crescent
Heat-treated forged alloy steel
Full Lifetime
Not stated on the page read
Channellock’s warranty swaps a failed tool at a local retailer or by mail to Meadville, PA. It excludes normal wear like rounded teeth, loose joints, hammer strikes, live wire damage and misuse.
Crescent’s page lists a Full Lifetime warranty and ANSI and ASME standards. KNIPEX Tools North America lists a Lifetime Limited Warranty for its tools in the USA and Canada, with customer service at 847-398-8520.
Where the listings and makers disagree
Two Amazon titles list bigger capacities than Knipex’s own technical data.
Product
Item
Amazon title says
Knipex says
This page uses
Cobra XL 87 01 400
Pipe capacity
3-3/4 in.
3½ in. (90 mm)
Knipex: 3½ in.
Cobra XXL 87 01 560
Pipe capacity
4-3/4 in.
4½ in. (115 mm)
Knipex: 4½ in.
Cobra 87 01 300
Pipe capacity
2-3/4 in.
2¾ in. (70 mm)
They agree
Amazon titles read through the Creators API and Knipex product pages, both Oct 19, 2026. Where they disagree, the smaller maker number is the safe one to plan around.
How to choose in five questions
Question
If yes
If no
Is this your first pair?
Channellock 440
Go on
Do you work on 2 in. steel or PVC?
Knipex Cobra 87 01 300
Go on
Do you install chrome trim or supply lines?
Knipex Pliers Wrench
Go on
Do you work on 3 or 4 in. pipe?
Channellock 480, or Cobra XL for 3 in.
Go on
Do you turn a lot of hex nuts?
Crescent AC212VS
The 440 covers you
Most homeowners stop at the first row. A 440, or a 430 for tight cabinets, handles trap slip nuts, supply lines and pipe to 2 in. copper.
Plumbers tend to need more than one row. The pipe chart above shows the exact jump points by size, so match it to the largest pipe you work on.
Questions people ask
What are the best channel locks for plumbing?
For one pair, the Channellock 440: 12 in. long, opens to 2¼ in. and takes 2 in. copper. For 2 in. steel or PVC in a 12 in. tool, the Knipex Cobra 87 01 300 opens to 2¾ in.
What size channel locks do plumbers use?
Channellock’s plumbing page lists the 420, 430 and 440, and calls the 10 in. 430 a staple in every plumber’s bag. The 12 in. 440 opens wider. For 3 and 4 in. pipe, the 460 and 480.
Will 16-inch channel locks fit 4-inch pipe?
Not by the makers’ numbers. The Channellock 460 opens to 3¾ in. and the Knipex Cobra XL to 3½ in., but 4 in. steel or PVC is 4½ in. outside. The Channellock 480 opens to 5½ in.
What’s the difference between channel locks and an adjustable wrench?
Channel locks have toothed jaws that grip round pipe and nuts. An adjustable wrench has smooth jaws for hex nuts and opens less: 1½ in. on the 12 in. Crescent AC212VS.
Are Knipex Cobras better than Channellock?
They differ. The Cobra sets with a push button and opens to 2¾ in. at 12 in. The Channellock 440 uses fixed channels, opens to 2¼ in. and is made in the USA, per Channellock.
Will channel locks scratch chrome?
Toothed jaws mark chrome and plated finishes. Use smooth jaws: the Knipex Pliers Wrench, which Knipex says works directly on chrome, or an adjustable wrench on the flats.
Should I use channel locks or a pipe wrench?
Channel locks for nuts, slip nuts and light pipe work. A pipe wrench for tight threaded steel pipe. Our channel locks vs pipe wrench guide compares them.
What does Channellock’s warranty cover?
Channellock’s Built Strong Limited Lifetime Warranty covers defects, with a swap at a local retailer or by mail to Meadville, PA. It excludes rounded teeth from wear, loose joints, hammer strikes, live wire damage and misuse.
Can I replace the jaws on a Knipex Cobra?
Knipex sells plastic jaw covers, 87 09 300 V01, three pairs per pack, for every 87 XX 300 model made since 2008. It also sells an adjustment spare kit, 87 09 01.
What size adjustable wrench is best for plumbing?
A 12 in. adjustable like the Crescent AC212VS opens to 1½ in., which covers supply and compression nuts. Crescent makes adjustables from 4 in. to 24 in.
How do I stop an adjustable wrench from slipping?
Crescent says to put the jaws on the flat sides of the nut, not the corners, and snug the knurl. Its FAQ names loose jaws, gripping on corners and a nut that’s already rounding as the causes.
What size channel locks for 2-inch pipe?
For 2 in. copper (2⅛ in. outside), a Channellock 440 at 2¼ in. For 2 in. steel or PVC (2⅜ in. outside), the Knipex Cobra 87 01 300 at 2¾ in. or a Channellock 460.
How I picked these
Why trust me
I’m Isaac Daniels, a licensed journeyman plumber in Georgia (license #JP507711). Every number here comes from the makers’ product pages and technical data, read the same day.
How I pick
Only genuine brand tools, new and in stock, checked through Amazon’s Creators API on Oct 19 and again Oct 21, 2026.
One pick per job: general plumbing, push-button sizing, chrome and big pipe. The Crescent wrench has its own section and no score, since it’s a wrench.
Capacities from the maker, not the listing. Where they disagree, the conflicts table shows which I used.
Pipe fit worked out from published outside diameters against each tool’s capacity.
The spec score checks grip on pipe, use on finished nuts and how the jaws size. Makers don’t publish a common grip or wear test, so neither is scored.
CPSC recall search for Channellock, Knipex, Crescent, pliers and adjustable wrenches.
The spec score, check by check
Each pair gets the same three checks, from the makers’ product pages and the jaw and sizing tables, averaged to one decimal. Every pick has to reach 7.0.
Capacity, length and warranty aren’t in the score. Capacity is a fit question that the pipe size table answers, and all three makers list a lifetime warranty. The 440 stays the first pair to buy for its grip on pipe and slip nuts at 12 in.; the score marks it down for fixed channels and teeth that mark chrome, both in its card.
Check (weight)
How it’s scored
Grip on pipe (⅓)
10 = toothed jaws the maker says grip round pipe; 5 = smooth jaws made for flats
Finished nuts (⅓)
10 = smooth jaws the maker says go straight on chrome; 7 = toothed, but the maker sells jaw covers; 5 = toothed, marks chrome
Sizing (⅓)
10 = push-button sizing with the positions listed; 7 = fixed channels
Total
Average of the checks, to one decimal
Pick
Grip on pipe
Finished nuts
Sizing
Score
Channellock 440
10
5
7
7.3
Knipex Cobra 87 01 300
10
7
10
9.0
Knipex Pliers Wrench 86 03 250
5
10
10
8.3
Channellock 480
10
5
7
7.3
Sources
Channellock: channellock.com product pages for the 420, 430, 440, 442, 460 and 480, the plumbing page and the Built Strong warranty page, read Oct 19, 2026.
Knipex: knipex.com product pages for Cobra 87 02 250, 87 01 300, 87 01 400 and 87 01 560 and the 86 03 250 Pliers Wrench, including spare jaw covers 87 09 300 V01 and kit 87 09 01, read Oct 19, 2026; KNIPEX Tools North America warranty page, read Oct 22, 2026.
Crescent: crescenttool.com AC212VS product page and adjustable wrench FAQ, read Oct 19, 2026.
CPSC recall search for Channellock, Knipex, Crescent, pliers and adjustable wrench: cpsc.gov, Oct 19, 2026. No recalls of these tools found.
Amazon listings for B00004SBCU, B001BQ0CFA, B00B1SS3HW, B000X4PU80, B005EXOL0I, B000SOVRNC, B000X4OG94, B000S5X4WS and B00002N5L2 (titles, sellers, stock): read through the Creators API, Oct 19, 2026, and again Oct 21, 2026.
