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Benchmark Tools Double Squares

SKU 388169

These handy double squares are indispensable for setting up machinery and for performing a host of shop layout tasks.

They are manufactured in accordance with EEC Class 1 accuracy standards and are guaranteed to be square to within 0.002 (two thousandths of an inch) over the length of each blade. 

They have hardened and tempered no-glare satin chrome stainless steel blades. Blade marking are precision photo etched and then black filled for easy readability. Blades have quick Reading 4R markings (1/64ths and 1/32nds on one side and 1/8ths and 1/16ths on the reverse.

Square heads are cast and then precision machined. Square head color is cobalt blue. Square heads lock down tight via locking knob.

Squares come in a cardboard box.

Available in with either a 4” or 6” blade. Spare blades and locking screws are also available.


Blade width: 0.728” +/- 0.01”

Blade thickness: 0.078” +/- 0.008”

Blade groove: 0.86” wide and 0.03” deep

Graduations: Quick reading 4R (1/8, 1/16, 1/32, 1/64)

Head thickness: 0.472” +/- 0.02”

Head width: 0.084” +/- 0.02”

Head height: 2.36” +/- 0.02”

Prop 65WARNING: Cancer and Reproductive Harm -


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