•Accuracy meets Federal Specifications•Hardened chrome plate blades with scratching protection & smooth slide movement•Precision lapping on all measuring surfaces•Square head has a vial level and metal scriber•Protractor scale graduated from0 - 180° in both directions•Sets supplied in protective case
Combination Square Sets
•Graduations:4R: 8ths, 16ths, 32nds, 64thsM: 1 mm, 1/2 mm, 1 mm, 1/2 mmE/M: 1 mm, 64ths, 32nds, 1/2 mm