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.

SKU: 388169
Blade Width: 0.728"
Blade Thickness: 0.078"
Head Width: 0.084"
Head Thickness: 0.472"
Head Height: 2.36"
Graduations: 4R
Length: 6"
Blade Groove Width: 0.86"
Blade Groove Depth: 0.03"

⚠️WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov