Fowler 53-666-000-0 | Angle Block Set

Fowler's high precision Angle Blocks are made of solid, hardened steel with specific angles. Includes 1⁄4 and 1⁄2 degree sizes to handle most angle requirements.  . Each 12 block set includes 1 thru 5 Degree blocks in 1 Degree increments and 5 Degree through 30 Degree blocks in 5 Degree increments as well as  1⁄4 Degree & 1⁄2 Degree blocks. Accuracy ±2.5 arc minutes. Use of the Solid Angle Block simplifies the  setting and checking of  angles during tooling, production or inspection. This fast, accurate method eliminates time consuming calculations, sine bar and setup errors. All blocks precision ground. . All blocks are 3" long and 1⁄4" thick.