Accuracy: ?2″.
To inspect protractor, taper gage, index plate, index head and goniometer, can also be used to set angle.
Made of special alloy steel, hardness HRC64, high stability, wear resistance and easy combination.
Can be combined to any angle with interval 6 seconds after combination (6″, 12″, 18″, … , 360?).

Dynabrade 57113 Rotor/Vane Set
Dynabrade 01480 Vane Set (4pk)
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 95544 Gear Grease, 2.5oz. Tube
3M 34425, General Purpose Sanding Sponge CP041-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100175218, 3/pack 
