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 90367 3/4" W x 34" L 60 Grit A/O DynaCut Belt, 50/pack
Insize 4636-611, BSPT TAPER THREAD RING GAGE_6-11 BSPT, 6928640375187
Dynabrade 90549 1/2" W x 44" L 120 Grit A/O DynaCut Belt, 50/pack
Dynabrade 90272 3-1/2" W x 15-1/2" L 60 Grit A/Z DynaCut Belt, 10/ Pack
Dynabrade 56323 3-7/8" x 5-5/8" Vacuum Dynabug II Disc Pad, Hook-Face, Short Nap
Dynabrade 54040 5/8"-11 Female, 5/16"-24 Female, 1-5/8" Length
Dynabrade 95886 Washers For Vacuum Shroud (57737)
Dynabrade 90405 1/8" W x 24" L 60 Grit A/O DynaCut Belt, 50/pack
3M 93949, General Purpose Sanding Sponge CP040-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100175194, 3/pack 