Browse our selection of woodworking squares designed to meet the standards of even the most discerning woodworkers. From classic combination and try squares to Rockler's own Clamp-It™ Assembly Tools, we'll help you get the right angle every time!

No matter how big or small the job or project is, getting the right angle is always important. That’s why we carry a variety of woodworking squares, such as our 8” Folding Miter Square or 10” T-Bevel Square, designed to help you get the best results possible. Or, for the ultimate in speed and convenience, give our Rockler exclusive Adjustable Clamp-It Assembly Tool a whirl. Perfect for assembling, decks, cabinets, drawers and more, you can easily measure, align, clamp, and fasten any angled joint between 45 and 315 degrees in 5 degree increments.

Looking for a true “classic”? You won’t do better than a traditional measuring tool from the most revered name in the business. The Starrett 6” Combination Square is a perfect blend of practicality, versatility, and durability. With a try/miter gauge, depth gauge, height gauge, and marking gauge all on board, you’ll be off and running in no time with the features and dependability you’d expect from a Starrett product.

Squares

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4 StarsClamp-It Assembly Square

$12.99

Align it, clamp it, and fasten it to get perfect 90 angles every time! Here's a solution that's so simple, you'll wonder why it took so long to develop! The Clamp-It replaces custom clamping jigs, acts as a third hand, and eliminates the need for long bulky clamps. Simply put, the Clamp-It is a…

3 Stars6" and 4" Stainless Steel Rule Engineer Squares

From $12.99

Our engineer squares with stainless steel rules, are the ideal choice for setting up machinery like table saw blades, jointer knives and fences.

4 StarsAdjustable Clamp-It Assembly Square

$19.99

Align it, clamp it, and fasten it to get perfect angles every time! The square you can clamp has a new angle! 90 isn't always the right angle. The Adjustable Clamp-It easily adjusts to any angle in 5 increments from 45 to 315. Like the original Clamp-It, the Adjustable Clamp-It acts as a third hand…

5 StarsStarrett 12" Combination Square, with Square Head

$99.99

Laroy Starrett invented the combination square in 1877 and it has become a basic tool for every craftsman and builder.  The C11H series has a cast iron head with a handy spirit level and a hardened scriber.  The blade is machine divided, hardened and tempered with a reversible lock bolt that…

4 StarsMini Clamp-It Assembly Square

$9.99

Align it, clamp it, and fasten it to get perfect 90 angles every time! The same great features as our original Clamp-It but half the size! The square you can clamp is now available in a mini size - perfect for small projects! Our exclusive Mini Clamp-It square guarantees a 90 joint every time,…

5 StarsStarrett 6" Combination Square with Square Head

$89.99

The combination square is one of the world's most practical and versatile tool inventions - the basic tool for every builder and craftsman. Features try/miter gauge, depth gauge, height gauge and marking gauge - all in one! With reversible lock bolt, scriber, spirit level and machine-divided blade…

3 Stars6" Tri-Miter Square by Crown Hand Tools

$28.49

Anything from Crown Hand Tools Ltd. is a treat for you and your toolbox! Manufactured to British Standard BS3322, this beautiful 6" Tri-Miter Square is no exception. Features a hardened, tempered and blued steel blade with rosewood stock. Fitted with Brass, this tool is accurate, attractive and a…

3 StarsiGaging 4" Precision Double Square

$19.99

In addition to routine measuring and layout, this apron-size square is perfect for machine setups. Just slide the ruler to the end for a precision height gauge. Features 1/8" and 1/16" graduations on one side, while the flip-side has 1/32" and 1/64" graduations.

4 StarsMagnetic Lock Combination Square

$20.99

Six rare earth magnets hold the ruler in place instead of a clumsy screw lock. Body slides quickly and easily along the ruler through the magnetic lock. Heavy-duty cast zinc body is milled on all five sides for superior accuracy. 12" ruler is etched with markings to 1/16" and 1mm. Features onboard…

3.5 StarsOshlun 12" Combination Square, 3 Piece Set

$69.99

This high quality 12-Inch combination square set features a slotted and etchedstainless steel blade with 1/8", 1/16", 1/32" and 1/64" scales and includes a squarehead with 45 shoulder, center head and a protractor head with a double 180protractor scale (all with reversible lock bolts). It also…

4.5 Stars4" Steel Engineer Square

$15.99

This handy 4" Steel Engineer Square is great for setting up and checking machines, marking stock for joints, and checking stock for squareness!

3 StarsMagnetic Micro Square, While Supplies Last!

$22.99

Small and sturdy, this free-standing magnetic square takes the effort out of squaringup your table saw, band saw, and other equipment. Two powerful neodymiummagnets are embedded in the oversize base to keep it anchored to your cast-irontable for hands-free operation. Standing less than 4-1/2" tall,…

3.5 StarsWoodworker's Triangles

From $15.99

Heavy-duty acrylic triangles are twice as thick as regular drawing triangles and areconvenient for many common layout tasks, especially cabinetmaking. Clear acryliccomposition allows complete visibility as you work. Straight edges are 11" on the longleg and offer markings to 1/16". Angles are…

5 StarsWoodworker's Adjustable Triangle

$39.99

Get durability, accuracy, and convenience, in one measuring tool! 1/4" thick acrylic construction is twice as thick as other trianglesMovable/removable fence lets you quickly convert it to a drafting triangle or work off an edge on either sideEasy-to-read angle lines

2.5 StarsiGaging 6" Precision Combo Square

$39.99

This deluxe square is perfect for precise measuring, layout and machine setups. Just slide the ruler to the end for a precision height gauge. The included center head easily locates the center of round stock, while the 45 miter face, bubble level and scratch awl ensure easy, accurate layout lines.…

0 StarsStanley 46-123 11" Combination Square

$15.99

12" square makes it easy to mark angles, cuts, and more.Hard-chrome-plated blade is rust resistantBuilt-in scriberDurably etched blade is easy to readPrecision-machined working surface for improved accuracyBuilt-in scriber for surface markingHigh-visibility yellow, die-cast handle with…

5 Stars4" Mini Try Square

$21.49

The must-have tool for laying out precise 90 angles, checking internal angles, marking stock or using as a guide for mortising.Rosewood handle with 4-3/8" hardened steel blade.Triple rivets ensure constant accuracy.

0 Stars10" Sliding T-Bevel Square

$20.99

A simple, handy, effective tool for angle layouts. Metal blade pivots and can be locked at any angle for consistent, accurate marking.


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