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 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 16066, PPS Mix Ratio Inserts, Mini (6 fl oz), 7000120511
Standard Abrasives 726027, A/O C1 Straight Precision Cartridge Roll, 1/2 in x 2-1/2 in x 1/4 in 180, 7100098750
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
Insize 6315, MICROMETER MEASURING FORCE DETECTOR, 6928640351143
3M 55723, Stikit Film Disc 375L, 6 x NH P1200 w/Skipslit Liner, 7100075241, 250 per case
3M 03140, General Purpose Sanding Sponge CP041-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101537, 6/pack
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 10119, Synthetic Steel Wool Pad 10119NA, 0000 Super Fine, 7000126181
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
Dynabrade 95746 3/8" NPT Speed Regulator
Standard Abrasives 875711, MD Mini-Brush, 4-1/2 in x 2 in x 5/8-11 FB036 A XCS Medium Density, 7010292437
3M 34425, General Purpose Sanding Sponge CP041-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100175218, 3/pack 