12 Piece Angle Block Set

• Blocks: 1/4˚, 1/2˚, 1˚, 2˚, 3˚, 4˚, 5˚, 10˚, 15˚, 20˚, 25˚ and 30˚

• Angular accuracy : ± 30 arc seconds

• Set up angles quickly and easily.

• All blocks 3" long x .25" thick.

• Complete in "Shop Hardened" case.