10 Best Combination Squares 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Irwin Tools Combination Square is the one of the Best Combination Square on the market.

# Image Name Brand Price
1
⭐Best Choice
Irwin Tools Combination Square
Irwin Tools Combination Square, Metal-Body, 12", 1794469 Check price IRWIN $$$$$ Check price
2
Best under $50
Swanson Tool TC132 12-Inch Combo Square (Cast Zinc Body
Swanson Tool TC132 12-Inch Combo Square (Cast Zinc Body, Stainless Steel Ruler and Brass Bolt) Check price Swanson Tool Co., Inc $$$$$ Check price
3 IRWIN Tools Combination Square IRWIN Tools Combination Square, Metal-Body, 6-Inch (1794468) Check price IRWIN $$$$$ Check price
4
💲Best value for the money
Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square
Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square Check price Johnson Level & Tool $$$$$ Check price
5 iGaging Combination Square Set 6" & 12" 4R Steel Blade iGaging Combination Square Set 6" & 12" 4R Steel Blade High Precision Check price iGaging $$$$$ Check price
6 Swanson Tool S0101CB Speed Square Layout Tool with Blue Book Swanson Tool S0101CB Speed Square Layout Tool with Blue Book and Combination Square Value Pack Check price Swanson Tool Co., Inc $$$$$ Check price
7
👑Premium Pick
Starrett C11H-12-4R Combination Square with Square Head
Starrett C11H-12-4R Combination Square with Square Head, 12" Check price N/A $$$$$ Check price
8 iGaging Premium 4-Piece 12" 4R Combination Square iGaging Premium 4-Piece 12" 4R Combination Square Check price iGaging $$$$$ Check price
9 IRWIN Tools Combination Square IRWIN Tools Combination Square, Metal-Body, 16-Inch (1794471) Check price IRWIN $$$$$ Check price
10 ChgImposs 12" Adjustable Sliding Combination Square Ruler & Protractor Level ChgImposs 12" Adjustable Sliding Combination Square Ruler & Protractor Level Measure Measuring Set, Inch/Metric Check price ChgImposs $$$$$ Check price

Irwin Tools Combination Square – Best Overall Combination Square

Irwin Tools Combination Square
  • Black precision-etched scales
  • Durable cast zinc body
  • Rust proof stainless steel blade
  • Perfect for 90° and 45° marking
  • Can be used as a gauge for transferring measurements

Swanson Tool TC132 12-Inch Combo Square (Cast Zinc Body – Best under $50

Swanson Tool TC132 12-Inch Combo Square (Cast Zinc Body
  • 12 in. stainless steel blade features precision-etched black gradations, includes brass hardware
  • Multi-tool: Square, depth gauge, height gauge, plumb level, scriber, and level
  • Impact-resistant acrylic vial in handle
  • Spring-loaded bolt holds blade in place for firm, accurate settings
  • Durable die-cast zinc body for durability
  • Screw fit brass scriber located in handle for making marks
  • 1/8 in. , 1/16 in. , 1/32 in. , and metric scale gradations
  • 0. 001 in. accuracy

IRWIN Tools Combination Square

IRWIN Tools Combination Square
  • The black, precision-etched scales on this combination square give accurate 90° and 45° readings
  • This combination square has a cast-zinc body for durability
  • A stainless-steel blade is built for rugged use
  • 6" length

Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square – Best Budget Combination Square

Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square
  • Stainless Steel Rule, Cast Zinc Head
  • Country of manufacture: United States
  • Manufacturer: Johnson

iGaging Combination Square Set 6" & 12" 4R Steel Blade

iGaging Combination Square Set 6" & 12" 4R Steel Blade
  • Set of Combination Squares 6" and 12" High Precision
  • 6" 4R blade and 12" 4R blade
  • Heavy duty hardened, precision ground satin chrome blade
  • Easy to read laser etched graduations
  • Made to US Standard Accuracy and Squareness. Comes in Storage Case, with foam insert.

Swanson Tool S0101CB Speed Square Layout Tool with Blue Book

Swanson Tool S0101CB Speed Square Layout Tool with Blue Book
  • Includes: speed square, 6 in. Combination square, blue Book
  • Kit is ideal for roofing work, Whether you're new on the job or a Pro
  • The speed square, made in America since 1925
  • Speed square features Try square, miter square, saw guide, line scriber, and protractor
  • Includes pocket-size Swanson blue Book of rafter length and roof construction
  • Speed square and pocket square: black markings for easy reading, heavy-gauge construction for durability
  • Pocket square features square, depth gauge, scriber, and level

Starrett C11H-12-4R Combination Square with Square Head – Premium Pick

Starrett C11H-12-4R Combination Square with Square Head
  • Reversible lock Bolt, scriber, Spirit level
  • Hardened steel, machine Divided blade
  • Satin chrome finish blade
  • Cast iron head with black wrinkle finish

iGaging Premium 4-Piece 12" 4R Combination Square

iGaging Premium 4-Piece 12" 4R Combination Square
  • Fully Hardened and Tempered Steel Blade; Satin Chrome finish
  • Etched, machine divided 4R graduations - 8ths, 16ths, 32nds & 64ths

IRWIN Tools Combination Square

IRWIN Tools Combination Square
  • Precision-etched scales provide accurate 90-degree and 45-degree readings
  • The cast zinc body is durable and gives this combination square a comfortable weight and heft
  • The stainless steel blade is rust-proof and exceptionally durable

ChgImposs 12" Adjustable Sliding Combination Square Ruler & Protractor Level

ChgImposs 12" Adjustable Sliding Combination Square Ruler & Protractor Level
  • 12-Inch stainless steel ruler, protractor head, center head, square heads, for all your leveling needs
  • Direct reading double 180 degree protractor scale
  • Professional Inch/Metric tool, adjustable straight edge & depth gauge; Depth, height and marking gauge
  • Straight edge with self-storing scribe, horizontal level, plumb level, angle measurer
  • Be made of high stainless steel materials and will never rust or corrode

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