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?).

Insize 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 03123, Pro Grade Precision Edge Detailing Dual Angle Sanding Sponge, 24302TRIP-XFDA, 2-7/8 in x 4.5 in x 1 in, X-Fine, 7100170066
3M 16000, PPS Lid & Liner Kit, Standard (22 fl oz), 200 Micron Filter,
50 Lids & Liners per kit, 7010029840
3M 20912, PSA Cloth Disc 348D, 40 X-weight, 2 in x NH, Die 200P, 7000118920
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 46394, Dual Airline Back-Mounted Adapter Kit SA-2000, 7000126161, 1 EA/Case
3M 92250, Extra Large Single Angle Sanding Sponge 910PSA-12-CC, 2-7/8 in x 8 in x 1 in Fine, 7100101547 