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 54368, Particulate Filter 2078, P95, with Nuisance Level Organic Vapor/Acid Gas Relief, 7000052066, 100 EA/Case
3M 85855, Cartridge Roll 747D, 80 X-weight, 5/8 in x 1-1/2 in x 3/16 in, 7010292565
3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708
Standard Abrasives 541150, Quick Change TS P.A.R.T. #10 Disc Mandrel, 5/8 in TA4 (PILOT), 7000121722
3M 49937, Roloc Disc 361F, 60 YF-weight, TSM, 2 in, Die RS200PM, 7000119016
3M 22970, Disc Holder Adapter 9, 5/8-11 External 3/8-24 Internal, 7000046093
3M 13172, Scotch-Brite Multi-Finishing Wheel, MU-WL, 2S Fine, 6 in x 1 in x 1 in, 7000136471
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 92250, Extra Large Single Angle Sanding Sponge 910PSA-12-CC, 2-7/8 in x 8 in x 1 in Fine, 7100101547
3M 66887, Trizact Cloth Belt 237AA, A45 X-weight, 3-1/2 in x 15-1/2 in, Film-lok, Full-flex, 7000120271, 50 per case
3M 58968, Cloth Belt 577F, 80 YF-weight, 3-1/2 in x 15-1/2 in, Fabri-lok, Single-flex, 7000119446, 50 per case
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 