Features High Precision Ground Each block is precision ground to ensure accurate alignment and measurement of angles making them ideal for machining applications Stable Construction Made from high grade hardened steel the blocks provide stable performance and maintain dimensional accuracy over prolonged use Versatile Angle Measurement The set includes 10 blocks ranging from 1° to 30° allowing for the measurement and alignment of a wide range of precise angles Portable Carry Case The included carry case facilitates easy transportation and protects the blocks ensuring they are always ready for use Ideal for Machinists Perfect for use in grinding and milling machine operations enhancing the capability and precision of machinist tools Specifications Material Hardened SteelCase Size 310 mm x 100 mm x 10mmColor SilverNumber of Blocks 10Angle Blocks 1° 2° 3° 4° 5° 10° 15° 20° 25° 30°Accuracy 20 sec 0 0001 per inchNumber of Blocks 12Angle Blocks 1 4° 1 2° 1° 2° 3° 4° 5° 10° 15° 20° 25° 30° Package Included Type A 10 x Angle Blocks1 x Case Type B 12 x Angle Blocks1 x Case