Feature●ANGLE BLOCK SET MACHINIST PRECISION GROUND 1-30 Degrees●Angle blocks are a valuable tool for the alignment and measurement of precise angles. They can also be stacked to create other angles. Precision-ground, steel construction.●10 Blocks: 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25°, 30°●High Precision: +/- 20 Seconds, 0.0001" per inch .Thickness 0.25"●Precision Ground Solid Hardened SteelDescription
Accuracy +/-20 sec, 0.0001" per inch.
Hardened steel Rockwell HRC 55
3" long x 1/4" thick
Includes padded fitted case