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 59339 Vacuum Cuff, 1", w/Groove
Insize 2427-16, SPLIT TYPE DIAL BORE GAGE FOR BLIND HOLES, .606-.654", 6928640351419
Dynabrade 79061 1/2" W x 24" L 60 Grit A/Z DynaCut Belt, 50/pack
Air Turbine Tools 2545SSVF - 6mm Angle Hand Tool Series (Short Version, Front Exhaust), 40,000 RPM, 35549
Dynabrade 90614 3" W x 10-11/16" L 80 Grit A/O DynaCut Belt, 10/pack
Dynabrade 01794 Rubber Drive Wheel
3M 07053, General Purpose Sanding Sponge CP040-12-CC, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100101245 