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 45097, Roloc Disc Pad TR, Extra Hard 2 in 1/4-20 Internal, 7000045284
Dynabrade 54705 Rotor/Vane Set
3M 26580, Accuspray ONE Spray Gun System with PPS Series 2.0 Spray Cup System, 7100163226
Dynabrade 11399 Type 27 Wheel Mounting Adapter Kit
3M 05580, Cloth Belt 577F, 80 YF-weight, 1/4 in x 24 in, Fabri-lok, Full-flex, 7010361594, 200 per case
3M 27721, Cubitron II Roloc Durable Edge Disc 984F, 80+, YF-weight, TSM, Maroon, 2 in, Die RS200PM, 7000045178, 200 per case
3M 45028, Diamond Grade Digital Reflective Sheeting 3924SUDS, Fluorescent Orange, 36 in x 50 yd, 1 Roll/Case, 7100282405
3M 83980, Roloc Disc Pad TR, Extra Hard 4 in 5/8 -11 Internal, 7000119300
3M 28473, Roloc D/F Cool Running Disc Pad TR, 4 in x 5/8-11 Internal, FIN, 7000144107 