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?).

3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613
Dynabrade 79126 3/4" W x 18" L 60 Grit DynaCut Premium Ceramic Belt, 50/pack
Dynabrade 95541 Grease Gun
Dynabrade 95848 Dynabrade Gear Oil
Insize 1147-150WL, WIRELESS ELECTRONIC DEPTH GAGES WITH MOUNTING HOLES FOR EXTENSION BASE, 0-150mm/0-6", 6940561942774
Dynabrade 11253 Contact Arm Assy
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 11254 Contact Arm Ass'y, 4-3/4" Dia. x 1/2" W
Dynabrade 79170 1" W x 30" L 60 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 53036, 663FC, 1/2" X 90", 20u, Diamond Trizact Belt 7100205970
Dynabrade 78128 3" Dia. Coarse NWN VT DynaBrite Locking-Type Disc, 25/pack
3M 77579, Cubitron ll Cloth Belt 784F, 36+ YF-weight, 1/2 in x 24 in, Fabri-lok 45 Angle, Single-flex, 7100232690, 200 per case 