ALL-CARB 17Pcs 1/4° to 45° Precision Ground Angle Block Set, 0.0003 Hardened Steel Machinist Angle Gauge Block Set (3 x 1/4)

Material: It is made of HRC52-58 hardened steel with good comprehensive performance Dimensions: All angle block are 3 long and 1/4 thick, and their angles are 0°, 1/4°, 1/2°, 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 0°, respectively Accuracy: The accuracy is about 0.0003, and the angle tolerances is ±20 Purpose: Precision angle block is suitable for angle setting during production and inspection work or calibrating measuring equipment, accurate and easy to clean Package Includes: 17Pcs angle block in a box that is easy to carry and not easy to knock