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 11518 Rubber Drive Wheel
Dynabrade 11395 Guide Wheel
Dynabrade 55242 Vane Set (4pk)
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Insize 8911-5MGF1S, WEIGHT _5mg, 6940561906639 