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 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 47088, Cubitron II Stikit Film Disc 775L, 240+, 6 in x NH, Linered w/Tab, Die 600Z, 7100145372, 250 per case
Insize 6315, MICROMETER MEASURING FORCE DETECTOR, 6928640351143
3M 07053, General Purpose Sanding Sponge CP-040NA, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100110752
3M 14215, Roloc Disc Pad TS and TSM, Medium 3 in 1/4-20 Internal, 7000119310
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
Dynabrade 98273 - 1/2" Female Coupler with 1/2" Male Plug Assembly
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
3M 87105, Cubitron II Stikit Film Disc 775L, 220+, 6 in x NH, Linered w/Tab, Die 600Z, 7100075221, 250 per case
3M 02140, Fibre Disc Backup Pad, TN Quick Change , 4-1/2 in x 5/8-11 Internal, 7000045746
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 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953
3M 77737, ROLOC DISC PAD TS AND TSM, EXTRA HARD, 3 IN 1/4-20 INTERNAL, 7010299209
3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311
3M 9450, Disc Pad Holder 917, 7 in x 5/16 in x 3/8 in 5/8-11 Internal, 7000028549
3M 26006, PPS Series 2.0 Adapter, Type S5, 12 mm Male, 1.5 mm Thread, 7100135831
3M 28713 ROLOC DISC PAD TR, HARD 4 IN 5/8-11 INTERNAL, 7010298961
3M 07394 Hookit Disc Pad, 178 mm x 25 mm M14-2.0 Internal, 7000045702
3M 45095, Roloc Disc Pad TR, Medium 2 in 1/4-20 Internal, 7000045282
3M 13627, 947, Hookit Disc Pad Holder, 7 in x 1 in x 5/8 in 5/8-11 Internal, 7000028353
3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 