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 VSP-201R, ROTATING LENS CABLE, cable length 1200", 6940561941326
Dynabrade 90292 1/2" W x 18" L Medium NWN DynaBrite Premium Belts, 10/pack
Dynabrade 90211 1/8" W x 18" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 56323 3-7/8" x 5-5/8" Vacuum Dynabug II Disc Pad, Hook-Face, Short Nap
3M 03123, Pro Grade Precision Edge Detailing Dual Angle Sanding Sponge, 24302TRIP-XFDA, 2-7/8 in x 4.5 in x 1 in, X-Fine, 7100170066 