Mitutoyo 981 103 Angle Block Set, 40 Seconds Accuracy (2 Piece Set)

Angle blocks for creating and measuring angles, suitable for use in home or commercial shops for working with wood or metal Accuracy of + or – 40 seconds Set contains two angle blocks, one 30/60/90-degree block and one 45/90-degree block Constructed of steel hardened to more than 55 on the Rockwell hardness scale C for durability Precision ground for accuracy