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 40378 Rubber Drive Wheel, Mini Dynafile II
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 14360 Pneumatic Pipe Belt Finisher 
