iGaging 4" Precision Double Square
The iGaging 4 Inch Premium Double Square is a must-have around the shop. Tool setup, marking right angles and precision measuring are just a few of the tasks that this tool can accomplish - and it easily fits in your tool apron. The precision ground satin chrome blade is US standard 4R. Graduations are in 8ths, 16ths, 32nds and 64ths.