Mitutoyo 180-402U, 6" (16R) (1/32", 1/64", 1/50", 1/100"), Steel Blade for Combination Square

BLB-6? FEATURES Three measuring heads are attached to the stainless steel rule (blade),allowing versatile measurements on various types ofworkpieces.The measuring heads are hardened.Economy sets not including a protractor head are also available. Technical Data Square head: Used to set the rule at 90 degrees or 45degrees to an edge of a workpiece.Center head: Used to locate centers of round workpiecesProtractor head: Used to set the rule at a desired angle toan edge of a workpiece. Also used for measuring angles.