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 78182 3" Dia. Medium DynaBrite Locking-Type Disc, 25/pack
3M 28762, Cubitron II Cut and Grind Wheel, T27 Quick Change, 4 1/2 in x 1/8 in x 5/8-11 in, 7100018882, 20 per case
Dynabrade 14360 Pneumatic Pipe Belt Finisher
Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
3M 30695, Cloth Belt 577F, 120 YF-weight, 1/4 in x 24 in, Fabri-lok, Single-flex, 7010363101, 200 per case
3M 26432, PPS Series 2.0 Sealing Plug, 96 plugs per pack, 7100135627
3M 28135, Hookit Clean Sanding Disc 900DZ, 6 in P100 J-weight, Die 500LG, 7010300153
3M 69296, Trizact Cloth Belt 237AA, A100 X-weight, 1/4 in x 24 in, Film-lok, Full-flex, 7010299172, 200 per case
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
Dynabrade 78176 2" Dia. Medium NWN VT DynaBrite TR Locking-Type Disc, 25/pack
3M 85372, Cloth Belt 777F, 80 YF-weight, 1/2 in x 12 in, Fabri-lok, Full-flex, 7000118397, 200 per case
3M 57771, Scotch Buried Barricade Tape 366, CAUTION BURIED CABLE TV LINE BELOW, 3 in x 1000 ft, Orange, 7010397990
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 03140, General Purpose Sanding Sponge CP041-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101537, 6/pack 