The 6 Best Tongue and Groove Pliers of 2026

By Gayle Woods Editors Updated 6 products scored

A tongue and groove plier does one thing better than any other tool in the box: it commits to a size, then holds it while you lean on it. The jaws ride a channel of interlocking teeth, so one tool clamps onto a pipe union, a rounded bolt, or a PVC fitting instead of one fixed dimension. What separates a good pair from a frustrating one is how that channel is cut and how the jaws meet — a sloppy adjustment, or jaws that only kiss at the tips, will slip when your knuckles are closest to the wall.

My own pair has spent years swapping shower valves and holding fence gates, and I've learned that grip and jaw shape matter more than the tooth count printed on the package. Over six months, we worked a dozen pliers through real repairs, and the differences showed up fast — not always in proportion to what they cost.

Size is where first-timers go wrong: a 10-inch pair handles most household work, a small pair earns its keep under a sink, and a long one is for pipe. The picks below span all of it.

Our Top Picks

The 6 Best Tongue and Groove Pliers of 2026

1

Channellock TG-1 2-Piece Set Best Overall

Channellock Tongue and Groove Plier Set TG-1-2 Piece

General home and shop use

Field Score 98/100
Sizes
9.5 in and 12 in
Origin
Made in USA
Material
High carbon C1080 steel
Jaw Teeth
Right-angle, laser heat-treated
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The two sizes most people actually need are 9.5 and 12 inches, and the Channellock TG-1 is the set we recommend first because it gets both right. The teeth are cut at a right angle and laser heat-treated, so they dig into round pipe instead of skating around it, and the longer pair gives you the leverage to walk a corroded union loose. Both are forged from C1080 high-carbon steel, coated against rust, and backed with a limited lifetime warranty — in a category full of disposable tools, that counts for something.

There is no push button here. You open the jaws, slide the channel to the notch you want, and squeeze, which takes two hands and about a second longer than the Knipex Cobra below. We do not mind the extra beat. Fewer moving parts means less to jam, and the notch you set holds until you change it. If you switch sizes ten times a job, the IRWIN set makes a better case for itself; if you set the jaw once and lean on it, the simpler joint is the smarter one.

The slim blue grips are the detail we appreciate most in daily use. They do not bunch or rotate on the tang the way fat sleeves on cheap pliers do, and they stay comfortable through an afternoon of squeezing. Wipe them down, put a drop of oil in the channel now and then, and there is not much here to wear out.

Worth Noting

  • Only two sizes, with nothing compact for tight work
Our Verdict

Our pick for most people: the 9.5- and 12-inch pair covers plumbing, fencing, and tractor work, with heat-treated teeth that bite instead of slip and a lifetime warranty behind them.

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2

Knipex Cobra 5-Inch Best for Tight Spaces

Knipex Cobra 5-Inch

Tight spaces

Field Score 97/100
Length
5 in
Adjustment
13-position push button
Jaw Capacity
1-1/16 in
Tooth Hardness
61 HRC
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Five inches of plier sounds like a keychain tool until you open the jaw and find a 1-1/16-inch span looking back at you. The Cobra is the smallest tool here, and it is the one we reach for when a fitting is buried behind something else: under a dash, inside a pump housing, between a deck board and a joist. The box joint keeps the jaw in line with a double guide, and a pinch guard holds your fingers out of the hinge when you close it hard.

The button is what sells it. Thirteen positions, changed with your thumb while the jaws sit on the nut, so you never let go of the workpiece to reset the tool. That is the whole argument for a push-button plier, and the Cobra executes it more cleanly than anything else in this group — the jaw clicks down onto the fitting and stays. Teeth hardened to 61 HRC do the rest, biting into a rounded nut instead of polishing it.

What it will not do is replace a full-size plier. A 5-inch handle gives less leverage than a 12-inch one, so a rusted union is still a job for the Channellock, and this is the tool that saves you the walk back to the truck. It disappears into a jacket pocket between jobs, which is exactly where a plier this size belongs.

Worth Noting

  • Premium price for a single small plier
Our Verdict

For work in tight places, nothing here matches it: a thumb-button jaw, teeth that bite at 61 HRC, and a body short enough to reach where bigger pliers cannot.

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3

IRWIN GrooveLock 2-Piece Set Best for Fast Adjustment

IRWIN Tools Vise-Grip GrooveLock Pliers Set

One-hand work

Field Score 96/100
Handles
ProTouch anti-pinch
Jaw Style
V-jaw
Adjustment
Press-n-Slide buttons
Set Contents
2 pieces
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Two buttons sit right where your thumb already rests, and pressing them slides the lower jaw wherever you need it. That is the GrooveLock's trick, and it is a good one: no shuffling notch by notch, no letting go of the fitting to reset the tool. You can also skip the buttons and push the handle up, and the ratchet walks the jaw closed onto the work.

The V-jaws are the other half of the story. They settle onto round, square, hex, and flat stock without you hunting for the angle, and the ProTouch grips have a shoulder that keeps your palm clear when the handles snap shut. Two pliers cover the range most people need; the smaller one did most of the work in our testing, with the bigger one coming out for pipe and stubborn nuts.

Comfort is where this set surprised us. The soft grips are thicker than the Channellock's and fill your hand, so a long session of squeezing does not leave a groove in your palm, and the blue-and-yellow handles are easy to find in a bag full of black tools — a small thing until you have spent five minutes digging.

Worth Noting

  • Teeth can flatten under heavy daily use
Our Verdict

The quickest plier here to reset: press the buttons, slide the jaw, and the ratchet takes up the rest. A good choice if you change sizes constantly on the job.

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4

WORKPRO 3-Piece Groove Joint Set Best Budget Set

WORKPRO 3-Piece Groove Joint Plier Set

Starter toolbox

Field Score 95/100
Sizes
8, 10, and 12 in
Material
CrNi steel
Jaw Style
Straight
Jaw Capacity
1-3/8 - 2-3/8 inch
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Three pliers — 8, 10, and 12 inches — for less than a single premium compact costs is the whole pitch, and it is a good one if you are outfitting a shed from nothing. We think it is the best value in this group: a size for the sink trap, a size for the mower deck, and a size for a two-inch pipe, without buying three tools one at a time.

The straight jaws span 1-3/8 to 2-3/8 inches, and the CrNi steel is hardened and coated to keep rust off it. The adjustment slides smoothly, the handles are shaped well enough that the 10-inch disappears in your hand, and the teeth are cut cleanly enough to hold a hex nut under a hard squeeze. Where the money shows is in the finish: the machining is not as clean as the US-made sets, and the jaws do not have the polished feel of the Channellocks.

Worth Noting

  • 12-inch model is bulky to pack
  • Straight jaws are less sure on round pipe
Our Verdict

Three sizes for less than a single premium plier. We like it as a starter set for a shed or truck box, provided you are not leaning on it every day.

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5

Channellock Griplock GLS-3 Best V-Jaw Grip

CHANNELLOCK GRIPLOCK Tongue & Groove Pliers Set

Round stock

Field Score 94/100
Sizes
6.5, 9.5, and 12.5 in
Origin
Made in USA
Fastener
PermaLock
Jaw Style
Offset V-jaw
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The Griplock's jaw is a shallow V set at an offset angle, so a pipe settles into the crook of it instead of balancing on two flat faces. That shape lets this set do something the straight-jaw pliers here cannot: it takes round stock, hex nuts, and square bar on the same jaw setting. You get three tools — 6.5, 9.5, and 12.5 inches — joined by Channellock's PermaLock fastener, which replaces the nut-and-bolt hinge that works loose on older designs.

The 6.5-inch is what makes the set worth carrying. It is small enough to get behind a panel or under a sink rim where a larger plier simply will not fit, and it is the size we grab for hose clamps and small fittings. If your work is mostly in tight quarters instead of on big pipe, this trio covers more ground than any two-plier set here.

The offset head is the quieter advantage. Angling the jaws away from the handle line keeps your knuckles clear of the wall you are working against and puts your wrist in a straighter line when you are pulling rather than pushing. The set is made in the USA and rated to ANSI B107.23, with a polished finish that looks the part in a toolbox.

Worth Noting

  • 12.5-inch pair can fail under heavy force
  • Channel stiffens without regular oiling
Our Verdict

The V-jaw is the draw: round pipe and hex nuts sit down in the crook instead of skating off, and the 6.5-inch tool goes where the bigger sets cannot.

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6

Craftsman 2-Piece Groove Joint Set

Craftsman 2-Piece Groove Joint Set

Spare set

Field Score 93/100
Jaw
Precision machined
Sizes
8 and 10 in
Handles
Multi-zone bi-material
Material
Drop-forged steel
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The Craftsman set is the least expensive way here to put two pliers in a drawer, and the 8- and 10-inch sizes are the two most people reach for. The jaws are drop-forged and precision machined, the multi-zone bi-material grips are genuinely comfortable, and the pair costs less than any other pick on this page.

Where it comes up short is bite. On hex nuts, square stock, and bolt heads the machined jaws hold fine. On smooth round pipe they let go sooner than the V-jaw sets, so we treat this pair as a nut-and-bolt tool and leave the round work to the Channellocks.

That is a fair trade for a second set. We like it for the truck box, the tack room, and the drawer you send a neighbor to when he needs to borrow pliers — places where a scuffed tool is not a tragedy and a missing one is not either. Nothing here will make you retire a Channellock, and nothing here will embarrass you when you hand it over.

Worth Noting

  • Handle sleeves can slide off
  • Surface rust appears quickly
Our Verdict

We like it as a spare set for a truck box or a lending drawer, not as the pliers you reach for on rusty pipe.

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How We Tested Tongue and Groove Pliers

We gathered every tongue and groove plier we could find at the major retailers, then cut the list by jaw profile, adjustment style, and size range. Straight jaws, V-jaws, and offset jaws behave differently once they're on a nut, and a push-button adjustment is a different tool in the hand than a groove you slide with your thumb. We ended up with 12 pliers, some bought singly and some as sets, and we spent six months using them the way a homeowner actually does: under sinks, on outdoor spigots, on a mower deck, and on a gate hinge that had rusted into one piece.

A stubborn fitting is the real test, so we staged them. We broke loose P-trap slip nuts and old supply lines, held rounded bolts while turning the nut on the other side, and cranked on galvanized pipe. We watched whether the teeth bit into the metal or cammed off it, whether the jaws met along their full length or only at the tips, and whether the handles dug into a palm once we were squeezing with both hands.

We counted the adjustment positions and noted when a size fell between two notches, a gap that matters more than the total number. Grip got checked with gloves on and off. For durability, each pair sat on a damp basement floor for a week before we looked for rust at the joint, and we re-checked the teeth after a month to see if the points had flattened. Value came down to what a set actually gave us — a cheap three-piece with a redundant size is worse than two good pliers.

How to Choose Tongue and Groove Pliers

Size and Jaw Capacity Come First

Overall length buys leverage and reach; jaw capacity decides what actually fits between the jaws. A 12-inch plier lets you lean on a corroded union that a 5-inch tool cannot budge, but only the small one gets behind a panel or under a sink rim. Look for a stated jaw opening rather than the overall length, because compact on a package tells you nothing about how much pipe the tool will span.

For most households the answer is two sizes: something around 10 inches for everyday nuts and fittings, and a 12-inch for leverage. If your work happens in tight quarters, add a compact plier or buy a three-piece set. The WORKPRO set is the cheapest way to cover all three sizes, and the Knipex Cobra is what to buy when the small plier matters more than the big ones.

Push Button, Slip Joint, or Ratchet

A traditional groove joint works by opening the jaws, sliding the channel to a notch, and squeezing — two hands, one extra beat, and almost nothing to break. A push-button plier such as the Knipex Cobra or the IRWIN GrooveLock changes position with your thumb while the jaws are on the workpiece. That is the difference between one motion and three when you are moving between a hose clamp and a union.

Buttons cost more and add parts, and the ratcheting design on the GrooveLock goes further still: push the handle up and the jaw walks itself closed. If you set a jaw size once and lean on it, the simple slip joint is the better buy. If you re-set constantly, the button pays you back in time.

Jaw Shape and Tooth Hardness Decide Whether It Holds

Straight jaws are fine on flat stock, hex nuts, and square bar. On round pipe, a V-shaped jaw such as the one on the Channellock Griplock settles the work into the crook and needs less hand force to keep it there. Teeth matter as much as shape: right-angle, laser heat-treated teeth bite instead of skating, and a stated hardness like 61 HRC on the Cobra tells you the steel will keep its edge.

One trap worth knowing: self-locking on a tongue and groove plier means the teeth bite hard enough to hold without your full grip. It does not mean the tool clamps and stays clamped like locking pliers. If you need a clamp that hangs on with no hand pressure, you need a different tool, not a bigger plier.

Steel, Coating, and Handles for a Damp Toolbox

High-carbon steel such as the C1080 in the Channellocks and the CrNi steel in the WORKPRO set both take a hard working edge. What separates them over years is the finish and the hinge: a coated steel resists rust longer than a polished one, and a PermaLock-style fastener does not work loose the way an old nut-and-bolt joint can.

If the pliers live in a truck bed or a tack room, dry them off and put a drop of oil in the channel now and then — that habit does more than any coating. On handles, slim grips stay put on the tang where thick sleeves can rotate, and an anti-pinch shoulder is worth having if you squeeze hard.

Frequently Asked Questions

Final Verdict

For most people the answer is the Channellock TG-1: a 9.5- and a 12-inch plier that bite hard, adjust with one simple joint, and carry a lifetime warranty. It covers plumbing, fencing, and equipment work without asking you to learn a new mechanism.

Change the requirement and the pick changes. If the work is small and awkward rather than big and stuck, add the Knipex Cobra 5-inch — it grips better than its size suggests and disappears into a pocket. If you are starting from nothing and want every size at once, the WORKPRO three-piece does it for less than a single premium tool.