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Updated: 18 Jul 2025

Top 10 Combination Squares

#1
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LYFJXX 12" Combination Square, 45-90 Degree Marking, Carpentry Woodworking Measure Tools, Combination Square Set, Metal Ruler Framing Square T Ruler Framing Square, Metal Square

Brand: LYFJXX
$8.90
⭐ 4.7
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    Material: This Heavy Duty Combination Square blade is made of high quality durable and rust proof stainless steel.
  • Size: This Carpentry Square is 12 inch long and the blade is Marked with Precise inch.
  • Widely application: This Combination Square Set is great for marking 45 and 90 degree angles, and can also function as a handy gauge for transferring precision angles and other measurements; essential for use in your rafter, deck, stair and roofing projects, and in other general carpentry operations.
  • This T ruler allows you to do quick and accurate marking and measuring.
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#2
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iGaging Combination Square Set 6" & 12" 4R Steel Blade High Precision

Brand: iGaging
$66.31
⭐ 4.1
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    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.
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#3
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SWANSON S0101CB Speed Square Layout Tool with Blue Book and Combination Square Value Pack

Brand: Swanson Tool Co., Inc
$23.69
⭐ 4.7
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    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
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#4
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WORKPRO Aluminum Alloy Carpenter Square and Zinc-Alloy Square Ruler Set - 7 in. Rafter Layout Tool and 12 in. Combination Square Combo

Brand: WORKPRO
$22.99
⭐ 4.8
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    Durable Material - The rafter square is die-cast from heavy-gauge aluminum alloy which enables it to last long and still give an accurate measurement. The combination ruler itself is die-cast from zinc alloy and carries a steel ruler made of stainless steel with a matte finish
  • Clearly Identifiable Scale - The rafter square finishing features low glare and protective powder coated. It has permanent deep markings and white graduations for maximum readability in any lighting. The stainless steel ruler of the combination square has a deep etching scale for superior legibility and long-lasting usage
  • Multiple Graduation - The 7-inch rafter square has many kinds of graduation which blends the features of framing square, try square, miter square, and protractor square. The combination square has a 12-inch stainless steel ruler which has 3 types of minimum scale values: 1/16”, 1/32”, and 1mm
  • User-Friendly - Lipped fence allows you to easily brace the rafter square flush with the wood, creating a straight or angled line that is proportionate to the wood's edge. The spring screw of the combination square makes it easier to detach the stainless steel ruler and the smooth ruler is easier to slide for your measurement
  • Wide Versatility - Easy-to-read level vial and a metal scriber on the side of the combination ruler increase product practicality and versatility. The rafter square can be used as a guide for cross-cutting lumber. They both work accurately at an angle of 90 degrees or 45 degrees
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#5
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Arrow Combination Square, 12-Inch Combo Square with Stainless Steel Ruler, Zinc Alloy Body and Bubble Level for Carpenters and Craftsmen

Brand: Arrow Fastener
$17.99
⭐ 4.1
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    Multi-function: The combination square is widely used in woodworking, furniture making, and construction. It allows for precise length measurements, 45° and 90° angle marking, quick line drawing, depth and height measurements, and horizontal/vertical alignment. The built-in level bubble helps craftsmen accurately align components, preventing misalignment
  • Stainless Steel Blade: Made from premium stainless steel, this 12-inch ruler features dual-sided metric and SAE markings with precision up to 1/16" and 1/32". It is highly durable, corrosion-resistant, and offers excellent readability, making it ideal for long-term use
  • Textured Handle: This combination square has a zinc alloy handle, providing excellent wear resistance and durability. The bottom is equipped with a copper draw pin, which is securely screwed in to prevent loosening or falling off
  • Easy to Use: Equipped with a brass screw, the handle of the combination square can move smoothly along the ruler and lock tightly at the required mark. Loosening the screw also allows the ruler to be used separately. This design offers more convenience for precise measurement
  • Ideal Gift: This multifunctional combination square is a thoughtful gift for carpenters, craftsmen, and DIY lovers, offering both functionality and accuracy in a practical design
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#6
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Woodpeckers inDexable Square System, 6 Inch Combination Square, Feature Packed Combo Woodworking Tool

Brand: Woodpeckers
$129.99
⭐ 4.8
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    6 INCH COMBINATION SQUARE - You will receive the Mini inDexable 6 inch rule with the combination square head set. Comes with Rack-It (wall-mountable storage). Made in the USA.
  • STAINLESS STEEL RULE - The rule feature sliding head support with an indexing system every 1 inch to lock the head in place, allowing for scribing. Laser cut scribing guide are built right on 1/16" centers. Laser engraved graduations so they won't ever rub off or wear through.
  • COMBINATION SQUARE - The combo square head allows for accurate 45° and 90° angles turning it into a normal square and a miter square in the same tool. Sliding tab for edge support feature keeps the square to your work and out of the way when you don't need it.
  • MORE OPTIONS AVAILABLE - Need a different size rule or different type of head? You can build your own inDexable set yourself with our individual components as well.
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#7
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Klein Tools 935CSEL Combination Square Ruler for Electricians and Carpenters, Stainless Steel Double Sided Ruler, Bubble Level, Magnetic

Brand: Klein Tools
$29.97
⭐ 4.6
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    MAGNETIC QUICK ADJUST: Powerful Rare-Earth magnets enable easy ruler adjustments while holding the ruler firmly to the body
  • DURABLE ALUMINUM BODY: Lightweight and durable aluminum body with precision-machined 45 and 90-degree edges for setting the perfect angle on miter saws or table saws
  • INTEGRATED CONDUIT LAYOUT TEMPLATE: Effortlessly find center knockouts for EMT using the integrated conduit layout template
  • DOUBLE-SIDED RULER: Versatile double-sided ruler with measurements in 1/8-Inch and 1/16-Inch increments on one side and electrical panel schedule and conduit layout template on the other side
  • DEEPLY ETCHED MARKINGS: 12-Inch rustproof stainless steel ruler with deeply etched markings that prevent the print from rubbing off
  • HIGH VISIBILITY BUBBLE VIAL: Large high-visibility bubble vial window with reinforced housing for easy reading
  • INTEGRATED STAINLESS STEEL SCRIBER: Mark any surface with pinpoint accuracy with the included stainless steel scriber
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#8
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Mr. Pen- Combination Square, 12" Combo Square, Carpentry Tools, Carpenter Square, Woodworking Tools,Framing Square, T Square, T Ruler, Combination Square Set, Square Tool, Metal Square

Brand: Mr. Pen
$8.95
⭐ 4.1
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    12-Inch Heavy Duty Combination Square
  • Combo Square with Durable and Rust-Proof Stainless Steel Blade Marked with Precise inch and cm Graduation in 1/16,1/8, and 1/32 Inch
  • Spring Loaded Brass Bolt to Assure Accuracy
  • Brass Scriber and Level
  • Accurately Measure and Draw 90 Degree And 45 Degree Angles
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#9
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Empire Level E280 16-Inch Heavy Duty Professional Combination Square w/Etched Stainless Steel Blade and True BlueR Vial

Brand: Empire
$14.29
⭐ 4.8
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    16-inch etched stainless steel blade with inch graduations
  • Heavy duty machined square head
  • Self aligning draw bolt, hardened scriber
  • True Blue vial for accuracy
  • Made in USA
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#10
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IRWIN Combination Square, 12”, 45-90 Degree Marking, Stainless Steel (1794469)

Brand: IRWIN
$12.99
⭐ 4.2
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    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
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