SPI Hardened Steel Square, 3-1/8 Blade – 14-572-2

SPI Hardened Steel Square, 3-1/8" Blade - 14-572-2 Accuracy Class 2 with Straight Edge Hardened to RC 55 Base and blades are accurately ground and lapped Beam is grooved at inner corner 3-1/8 Inch Long Blade 2 Inch Long Base 0.0011 Inch Accuracy Steel Squa