Material Material |
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System of Measurement System of Measurement |
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Blade Thickness Blade Thickness |
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Numeric Increments Numeric Increments |
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Angle Measured Angle Measured |
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Color Color |
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![]() | Silver |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Graduation Color Graduation Color |
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![]() | Black |
Graduation Mark Style Graduation Mark Style |
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Pipefitters' Squares
Pipe fitting sizes and welding charts are shown on this square in wear-resistant etched markings.
Pipefitters' Squares

Square with Optional Magnetic Holder
Blade | Graduation | ||||||||||
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Blade Lg. | For Pipe Size | Front Top Grad. Marks (Increments) | Front Left Grad. Marks (Increments) | Back Top Grad. Marks (Increments) | Wd. | Thick. | Color | Color | Mark Style | Each | |
Inch | |||||||||||
Stainless Steel | |||||||||||
24" × 15 3/8" | 1, 1 1/2, 2, 2 1/2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24 | 16ths (1") | 16ths (1") | 12ths (1") | 2 3/16", 1 9/16" | 1/16", 1/16" | Silver | Black | Etched | 0000000 | 0000000 |
Optional Magnetic Holder

Magnets hold your Pipefitters' Square in place on a 1" diameter or larger ferrous pipe.
For Min. Pipe Dia. | Max. Magnetic Pull, lbs. | No. of Magnets | Lg. | Wd. | Ht. | Each | |
Aluminum | |||||||
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1" | 25 | 2 | 8 1/4" | 2 1/4" | 7 1/2" | 0000000 | 0000000 |