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?).

Insize HDT-B-SA, SHORE HARDNESS TEST BLOCK, SA, 6940561904949
Dynabrade 91567 6" Dynacut Extreme Orange Premium Film Disc, 180 Grit, Hook & Loop, Vacuum Holes, 50/Box
3M 07054, General Purpose Sanding Sponge CP-041-ESF, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101551
Dynabrade 01185 Vane Set (4pk) 