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Squares

Explore our selection of Squares. Find quality products, compare options, and get fast shipping on the items you need.

Squares

More than 60 products · $0.27 – $384.74

ToolSource carries 61 squares for measurement and layout, ranging in price from $0.27 to $384.74. We offer fast shipping on all in-stock squares.

About Squares

Squares are essential for ensuring accuracy in a variety of projects, from woodworking and metalworking to construction and inspection. Our selection includes a wide range of types, including combination squares, protractors, and machinist squares, to meet the needs of any professional or DIY enthusiast.

We stock squares from top brands known for their quality and precision. Milwaukee Electric Tools offers durable and innovative squares designed for the jobsite. Fowler High Precision delivers exceptional accuracy for demanding applications. Stanley Proto Industrial Tools provides rugged squares built to withstand heavy use. Central Tools offers reliable and affordable options, while General Tools & Instruments provides a variety of specialty squares. You'll also find quality squares from DeWALT, Crescent Tool, and Allied International. Whether you need a simple speed square or a high-precision machinist square, we have the right tool for the job.

Consider a combination square for versatility, allowing you to measure, mark, and check angles with a single tool. Protractors are ideal for precise angle measurement, while machinist squares are essential for achieving the highest levels of accuracy in metalworking and other precision tasks.

Frequently Asked Questions

Our 'Squares' section offers a variety of squares for different applications, including combination squares, machinist squares, protractors, and more. We carry 61 different squares from brands like Milwaukee Electric Tools, Fowler High Precision, and Stanley Proto Industrial Tools, ensuring you can find the right tool for your needs.

A combination square is a versatile tool used for marking, measuring, and checking right angles. It typically consists of a blade and a head that can slide along the blade, allowing you to set specific measurements and transfer them accurately. Brands like Central Tools and General Tools & Instruments offer reliable combination squares.

When selecting a machinist square, accuracy and durability are key. Look for squares made from hardened steel with precision-ground surfaces to ensure accurate measurements. Fowler High Precision is a brand known for its high-quality machinist squares.

While both are used for marking and measuring, a combination square offers more versatility with its adjustable head and ability to measure depth and height. A speed square is primarily used for marking angles and making quick cuts, especially in carpentry.

The squares in our selection are typically made from steel, aluminum, or a combination of both. Steel squares offer durability and accuracy, while aluminum squares are lightweight and easy to handle. Consider the material based on the demands of your work environment.

Yes, many of the combination squares and speed squares are suitable for woodworking. Look for features like easy-to-read markings and durable construction to withstand the rigors of woodworking projects. Brands like DeWALT and Crescent Tool offer squares popular among woodworkers.

To maintain the accuracy of your square, store it in a safe place to prevent damage and avoid dropping it. Regularly clean the blade and head to remove any debris that could affect measurements. For high-precision squares, consider having them professionally calibrated periodically.

The available sizes of squares vary depending on the type. Combination squares typically have blades ranging from 6 inches to 12 inches, while machinist squares are available in smaller sizes for precision work. Consider the size and scale of your projects when choosing a square.
Displaying 1 to 36 (of 78 products)
Milwaukee Electric Tools

12" / 30 cm Polycast Combination Square

12" / 30 cm Polycast Combination Square

Your Price: $7.98
Milwaukee Electric Tools

12" / 300 mm True Blue Combination Square

12" / 300 mm True Blue Combination Square

Your Price: $16.00
Stanley Proto Industrial Tools

12" Combination Square

12" Combination Square

Your Price: $20.26
Fowler High Precision

12" COMBO SQUARE

12" COMBO SQUARE

Your Price: $310.96
Stanley Proto Industrial Tools

12" English/Metric Combination Square

12" English/Metric Combination Square

Your Price: $15.18
Milwaukee Electric Tools

12" True Blue Combination Square

12" True Blue Combination Square

Your Price: $19.42
Stanley Proto Industrial Tools

16" English Combination Square

16" English Combination Square

Your Price: $23.38
Milwaukee Electric Tools

16" True Blue Combination Square

16" True Blue Combination Square

Your Price: $21.72
Wilmar - Performance Tool

2 pc Square Set

2 pc Square Set

Your Price: $6.46
Milwaukee Electric Tools

20 cm Polycast Try Square

20 cm Polycast Try Square

Your Price: $9.46
Milwaukee Electric Tools

20 cm True Blue Stainless Steel Try Square

20 cm True Blue Stainless Steel Try Square

Your Price: $14.66
Milwaukee Electric Tools

24" x 16" Aluminum Framing Square

24" x 16" Aluminum Framing Square

Your Price: $16.97
Tool Grid

3IN DIVIDER

3IN DIVIDER

Your Price: $0.31
List Price: $0.32
3% off
Fowler High Precision

4 PC COMBINATION SQUARE

4 PC COMBINATION SQUARE

Your Price: $110.75
List Price: $194.84
43% off
Fowler High Precision

4" SQUARE BEVEL

4" SQUARE BEVEL

Your Price: $82.08
Fowler High Precision

4" STEEL SQUARE

4" STEEL SQUARE

Your Price: $39.96
List Price: $40.43
1% off
Milwaukee Electric Tools

6" / 150 mm True Blue Combination Square

6" / 150 mm True Blue Combination Square

Your Price: $14.97
Fowler High Precision

6" MACHINISTS SQUARE

6" MACHINISTS SQUARE

Your Price: $139.36
List Price: $218.46
36% off
Crescent Tool

6" Three Square Smooth Cut

6" Three Square Smooth Cut

Your Price: $14.40
List Price: $22.06
35% off
Milwaukee Electric Tools

6" True Blue Combination Square

6" True Blue Combination Square

Your Price: $15.51
United Marketing

6-Pole Square Set

6-Pole Square Set

Your Price: $5.91
List Price: $7.98
26% off
Milwaukee Electric Tools

7 in. Magnetic Rafter Square

7 in. Magnetic Rafter Square

Your Price: $29.16
List Price: $36.8
21% off
Milwaukee Electric Tools

7" Polycast Metric Rafter Square

7" Polycast Metric Rafter Square

Your Price: $6.22
Milwaukee Electric Tools

7" Rafter Square

7" Rafter Square

Your Price: $20.49
Milwaukee Electric Tools

7" Rafter Square BOGO

7" Rafter Square BOGO

Your Price: $15.92
Stanley Proto Industrial Tools

8" Blade Plastic Try/Mitre Square (English)

8" Blade Plastic Try/Mitre Square (English)

Your Price: $7.76
Stanley Proto Industrial Tools

Aluminum Carpenter's Square (English)

Aluminum Carpenter's Square (English)

Your Price: $14.07
Stanley Proto Industrial Tools

CARPENTERS SQUARE STEEL

CARPENTERS SQUARE STEEL

Your Price: $7.92
List Price: $14.43
45% off
Fowler High Precision

CENTER SQUARE

CENTER SQUARE

Your Price: $54.00
List Price: $65.4
17% off
Fowler High Precision

COMBIBATION SQUARE KIT 4PC

COMBIBATION SQUARE KIT 4PC

Your Price: $370.97
List Price: $435.45
15% off
General Tools & Instruments

Combination Measuring Set with Locating Device

Combination Measuring Set with Locating Device

Your Price: $153.15
Central Tools

Combination Square Locknut Assembly

Combination Square Locknut Assembly

Your Price: $23.07
Central Tools

Combination Square Set

Combination Square Set

Your Price: $215.41
Fowler High Precision

COMBO SQUARE 18 INCH XXX

COMBO SQUARE 18 INCH XXX

Your Price: $290.91
List Price: $366.97
21% off
Killer Tools

Compact 21 Inch Squaring Tram

Compact 21 Inch Squaring Tram

Your Price: $188.05
Displaying 1 to 36 (of 78 products)

Measurement Tools and Inspection

Measurement tools and inspection instruments are indispensable in any automotive mechanic’s toolbox, ensuring precision and accuracy during vehicle diagnostics, repairs, and assembly. These tools play a pivotal role in validating dimensions, tolerances, and alignments for various automotive components and systems. From verifying part clearances to ensuring proper alignment during installations, measurement tools provide the exactness required to meet industry standards and maintain safe, reliable vehicle performance. For professionals working across sectors like repair shops, manufacturing facilities, and performance tuning, these tools are essential for achieving optimal results. Within the measurement tools category, combination squares stand out for their versatility and efficiency in layout and alignment tasks. Tools such as the 12" English/Metric Combination Square feature durable, etched hard-chrome-plated blades that resist rust and precise-machined working surfaces that deliver exceptional measurement and layout accuracy. Equipped with an easy-to-read vial and a built-in scriber, these squares simplify tasks such as marking surfaces, verifying angles, or ensuring precise alignments for custom modifications. Additionally, their ergonomic, high-visibility die-cast handles, paired with brass hardware, offer durability and comfort during extended use. Applications for these tools range widely, supporting tasks in automotive bodywork, metal fabrication, and component installations, as well as crossover applications in HVAC and electrical systems. By streamlining measurement and inspection processes with tools like these, mechanics save time, reduce errors, and improve the overall quality of their work. Whether you're aligning mounting brackets or verifying machining tolerances, accurate inspection tools are a must-have for any professional automotive technician striving for excellence.

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