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 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
Insize 0210-G260, INFRARED THERMOMETER (BASIC TYPE), -22 ?F~500?F/-30?C~260?C, 6974029773310
3M 26856, Cloth Belt 341D, 3-1/2 in x 15-1/2 in 80 X-weight, 7010361703, 50 per case
3M 26857, Cloth Belt 341D, 60 X-weight, 3-1/2 in x 15-1/2 in, Fabri-lok, Single-flex, 7010361704, 50 per case
3M 29882, Sanding Screen, 220 Grit, 18 in x NH, 7100160813
3M 07053, General Purpose Sanding Sponge CP040-12-CC, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100101245 