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 45027, Diamond Grade DG3 Reflective Digital Sheeting 4084UDS, Fluorescent Orange, 24 in x 50 yd, 1 Roll/Case, 7100282398
Standard Abrasives 875701, HS Mini-Brush, 4-1/2 in x 4 in x 5/8-11 FB024 35-74 A MED Medium Density, 7100082651
Dynabrade 59339 Vacuum Cuff, 1", w/Groove
Standard Abrasives 701149, PSA A/O Disc, 1 in x NH, 240, 7010370103
3M 28713 ROLOC DISC PAD TR, HARD 4 IN 5/8-11 INTERNAL, 7010298961
3M 08916 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 2 in x 60 in, 7010309628
Dynabrade 97571 1/2" NPT Male Safety Coupler
3M 21713, Scotch-Brite Roloc Pro Brake Hub Cleaning Disc, XO-DR, 07546, SiC Extra Coarse, 1-1/2 in x 5/8 in, 7100176087
3M 45100, Roloc Disc Pad TR, Hard 1-1/2 in 1/4-20 Internal, 7000045286
3M 26597, Cloth Belt 341D, P320 X-weight, 1 in x 42 in, Film-lok, Single-flex, 7010294511, 200 per case
3M 76623, Roloc Disc 777F, 50 YF-weight, TR, 1 in, Die R100N, 7000045619
Standard Abrasives 600000, Wheel Adapter, TAZ-4-1/4"-20 Female, 7010330488
3M 94717, Cubitron ll Cloth Belt 947A, 80+ X-weight, 1 in x 30 in, Fabri-lok, Single-flex, 7010294445, 200 per case
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500
3M 77737, ROLOC DISC PAD TS AND TSM, EXTRA HARD, 3 IN 1/4-20 INTERNAL, 7010299209
3M 20279, Disc Pad Holder 947TH, 7 in x 1 in x 5/8-11 Internal Black T Hook, 7000118602
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285
3M 45095, Roloc Disc Pad TR, Medium 2 in 1/4-20 Internal, 7000045282 