Top 10 Combination Square Ruler – Carpentry Squares
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Graduation marks are produced via a photoengraving process creating very consistent and accurate markings with uniform gaps and line widths. Graduations conform to strict international EEC 1 Accuracy Standards, i. E. Once etched, graduations are black filled for easy readability.
This is a 24 inch 4r replacement blade for combination squares or can be used alone as a thick, PEC and Brown & Sharpe 12, but has been shown to fit most Starett, Mitutoyo, rigid rule. The edges and ends have been ground parallel, straight, smooth and square. A satin chrome finish minimizes scratches and corrosion and increases readability by achieving a brighter, non-glare finish that enhances the contrast between the black graduation lines and the surface of the rule.

Optimized function: scale laser calibration, clear, accurate and wear resistant. Applications: great for marking 45 and 90 degree angles, stair and roofing projects, and can also function as a handy gauge for transferring precision angles and other measurements; essential for use in your rafter, deck, and in other general carpentry operations.


The edges and ends have been ground parallel, straight, smooth and square. Note: this blade will not interface with all brands of precision combination squares, but has been shown to fit most Starett, 18 and 24 inch combination square heads.
Graduations conform to strict international EEC 1 Accuracy Standards, i. E. This is a 12 inch 4r replacement blade for combination squares or can be used alone as a thick, Mitutoyo, pec and Brown & Sharpe 12, rigid rule. Graduation marks are produced via a photoengraving process creating very consistent and accurate markings with uniform gaps and line widths. There is a groove running down on one side that is. 100 inch wide x. 040 inches deep.

1. Mr. Pen
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T Square, Metal Ruler, Metal Square, T Ruler, Carpentry Tools, Square Tool, Combination Square Set, 12" Combo Square, Framing Square, Woodworking Tools, Carpenter Square, Mr. Pen- Combination Square
#adMr. Pen #ad - Spring loaded Brass Bolt to Assure Accuracy. Accurately measure and Draw 90 Degree And 45 Degree Angles. 12-inch heavy Duty Combination Square.More information #ad
Brass scriber and Level. 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.Brand | Mr. Pen #ad |
Manufacturer | Mr. Pen #ad |
Part Number | .. |
More information #ad
2. IRWIN
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Metal-Body, 12", 1794469, Irwin Tools Combination Square
#adIRWIN #ad - Durable cast zinc body. Perfect for 90° and 45° marking. Rust proof stainless steel blade. Can be used as a gauge for transferring measurements. Black precision-etched scales.More information #ad
Brand | IRWIN #ad |
Manufacturer | IRWIN #ad |
Height | 0.79 Inches |
Length | 5.51 Inches |
Weight | 1.11 Pounds |
Width | 12.4 Inches |
Part Number | 1794469 |
Model | 1794469 |
More information #ad
3. Johnson Level & Tool
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Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square
#adJohnson Level & Tool #ad - At its option, the company will replace or repair the product if it fails under normal use. 1 year warranty: johnson level warrants this product against defects in material and workmanship for one year after the confirmed purchase date.More information #ad
Cnc machined square head for greater accuracy. Heavy-duty cast zinc head with black, chip-resistant e-coating finish. Steel blade with permanently stamped graduations 1/8", 1/16", 1/32" mm on 400EM.Brand | Johnson Level & Tool #ad |
Manufacturer | Johnson Level & Tool #ad |
Height | 12 Inches |
Length | 0.75 Inches |
Weight | 0.3 Pounds |
Width | 5.5 Inches |
Part Number | 400EM-S |
Model | 400EM-S |
Warranty | 1 Year Warranty: Johnson Level warrants this product against defects in material and workmanship for one year after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use. |
More information #ad
4. Swanson Tool Co., Inc
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Swanson Tool Co TC132 12-Inch Combo Square with Cast Zinc Body, Stainless Steel Ruler and Brass Bolt
#adSwanson Tool Co., Inc #ad - Stainless steel blade features precision-etched black gradations, includes brass hardware. 12 in. Impact-resistant acrylic vial in handle.More information #ad
Multi-tool: square, plumb level, depth gauge, height gauge, scriber, and level. Durable die-cast zinc body for durability. Spring-loaded bolt holds blade in place for firm, accurate settings.Brand | Swanson Tool Co., Inc #ad |
Manufacturer | Swanson Tool #ad |
Height | 0.75 Inches |
Length | 5 Inches |
Weight | 0.77 Pounds |
Width | 5.75 Inches |
Part Number | TC132 |
Model | TC132 |
Warranty | Swanson Tool Co., Inc. warrants its products to be free from defects in material and workmanship for 1 year from the date of the original purchase. Swanson's only liability under this limited warranty shall be at their option to repair or replace any product determined by Swanson to be defective. No damages or other remedies available. |
More information #ad
5. IRWIN
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Metal-Body, 16-Inch 1794471, IRWIN Tools Combination Square
#adIRWIN #ad - The cast zinc body is durable and gives this combination square a comfortable weight and heft. Precision-etched scales provide accurate 90-degree and 45-degree readings. The stainless steel blade is rust-proof and exceptionally durable.More information #ad
Brand | IRWIN #ad |
Manufacturer | IRWIN #ad |
Height | 0.79 Inches |
Length | 5.51 Inches |
Weight | 0.95 Pounds |
Width | 17.32 Inches |
Part Number | 1794471 |
Model | 1794471 |
More information #ad
6. Benchmark Tools
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1/32, Mitutoyo, PEC, 1/64 Stainless Steel Non-Glare Satin Chrome Finish Compatible with Starrett, 1/16, Brown and Sharp, Benchmark Tools 466477 24 inch Combination Square Blade Ruler 4R Markings 1/8
#adBenchmark Tools #ad - In addition, a satin chrome finish will not reflect light or glare. This combination square blade is made from japanese rust-resistant stainless steel that has been tempered creating a very stiff measuring tool that is quite resistant to flexing. Graduations are etched and not printed will not wear off with prolonged use.Graduation marks are produced via a photoengraving process creating very consistent and accurate markings with uniform gaps and line widths. Graduations conform to strict international EEC 1 Accuracy Standards, i. E. Once etched, graduations are black filled for easy readability.
More information #ad
The blade is 1 inch wide by. 080 inches thick. Note: this blade will not interface with all brands of precision combination squares, 18 and 24 inch combination square heads. Finish is non-glare satin chrome. The 4r graduation feature quick-reading 32nds and 64ths on one side and 8ths and 16ths on the reverse. This is a 24 inch 4r replacement blade for combination squares or can be used alone as a thick, PEC and Brown & Sharpe 12, but has been shown to fit most Starett, Mitutoyo, rigid rule. The edges and ends have been ground parallel, straight, smooth and square. A satin chrome finish minimizes scratches and corrosion and increases readability by achieving a brighter, non-glare finish that enhances the contrast between the black graduation lines and the surface of the rule.
Brand | Benchmark Tools #ad |
Manufacturer | Taylor Toolworks #ad |
Part Number | 466477 |
Model | 466477 |
More information #ad
7. TICOFTECH
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TICOFTECH 12-Inch Combination Square, Inch/Metric Stainless Steel Ruler, Protractor Level Measure Measuring Set with Carpenter Pencils
#adTICOFTECH #ad - Durable cast zinc body, rust proof stainless steel blade. Guarantee: in the rare occasion you are not completely satisfied with your purchase, TICOFTECH will refund or replace your order through our 100% Money Back Guarantee.Optimized function: scale laser calibration, clear, accurate and wear resistant. Applications: great for marking 45 and 90 degree angles, stair and roofing projects, and can also function as a handy gauge for transferring precision angles and other measurements; essential for use in your rafter, deck, and in other general carpentry operations.
More information #ad
Accurate measurement: the exclusive combination square allows you to quickly and accurately ensure square and level marking and measuring in a vast array of applications. Multi-tool: ticoftech set can be used as a square, scriber, depth gauge, and a level.Brand | TICOFTECH #ad |
Manufacturer | TICOFTECH #ad |
More information #ad
8. IRWIN
#ad
IRWIN Tools Combination Square, Metal-Body, 6-Inch 1794468
#adIRWIN #ad - This combination square has a cast-zinc body for durability. 6" length. A stainless-steel blade is built for rugged use. The black, precision-etched scales on this combination square give accurate 90° and 45° readings.More information #ad
Brand | IRWIN #ad |
Manufacturer | IRWIN #ad |
Height | 0.59 Inches |
Length | 3.83 Inches |
Weight | 0.45 Pounds |
Width | 6.75 Inches |
Part Number | 1794468 |
Model | 1794468 |
More information #ad
9. Benchmark Tools
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Benchmark Tools 466484 12 inch Combination Square Blade Ruler 4R Markings 1/8, PEC, 1/32, 1/64 Stainless Steel Non-Glare Satin Chrome Finish Compatible with Starrett, Mitutoyo, Brown and Sharp, 1/16
#adBenchmark Tools #ad - Graduations are etched and not printed will not wear off with prolonged use. Once etched, graduations are black filled for easy readability. This combination square blade is made from japanese rust-resistant stainless steel that has been tempered creating a very stiff measuring tool that is quite resistant to flexing.The edges and ends have been ground parallel, straight, smooth and square. Note: this blade will not interface with all brands of precision combination squares, but has been shown to fit most Starett, 18 and 24 inch combination square heads.
More information #ad
This blade will make an excellent upgrade or replacement for both vintage or contemporary combination squares. 02 mm at 20 degrees C for 1000 mm. Graduations conform to strict international EEC 1 Accuracy Standards, i. E. This is a 12 inch 4r replacement blade for combination squares or can be used alone as a thick, Mitutoyo, pec and Brown & Sharpe 12, rigid rule. Graduation marks are produced via a photoengraving process creating very consistent and accurate markings with uniform gaps and line widths. There is a groove running down on one side that is. 100 inch wide x. 040 inches deep.
Brand | Benchmark Tools #ad |
Manufacturer | Taylor Toolworks #ad |
Part Number | 466484 |
Model | 466484 |
More information #ad
10. Lu Rui
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Stainless steel t square ruler Adjustable sliding combination Square Square Ruler & Protractor Level Measure Measuring Set 4-Piece 12" 4R Combination Square
#adLu Rui #ad - Each tick mark is laser engraved, so it is a laser engraving scale. 0-180 degree measurement range with an accuracy of 5' / 008 degrees. Protractor square ruler made of high quality stainless steel, rustproof, durable, durable.More information #ad
This woodworking workshop uses a beveled edged blade, roller knobs and fine adjustments. Straight ruler length is 300mm. Ideal for measuring the inside and outside corners of parts.Brand | Lu Rui #ad |
Manufacturer | Lu Rui #ad |
More information #ad