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 11004 Dynafile Screw-In Housing
Insize 7230, SCRIBER, 6928640320064
Dynabrade 07109 Vane Set (5pk) 