Angle Blocks, Set of 17

17 Piece Angle Block Set. Angle block set designed to accurately and easily determine angular dimensions. Allows for quick set up for fringing various angles from 1/4 to 45°. The blocks provided include 1/4, 1/2, 1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, & 45° angle blocks and 2 riser blocks. Blocks may be used in combination to create other degrees. Blocks are 3" long and 1/4" thick. The measuring faces are precision ground and lapped. Made of hardened steel. Supplied in a fitted case.