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 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M 22405, Roloc Disc 361F, P100 YF-weight, TR, 3 in, Die R300V, 7000045102
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
Insize 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925
3M 07500 Roloc+ Holder, 1 in x 1/4 in Shank, 7000144595
Dynabrade 78595 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, 80 Grit, 100/pack
3M 26018, PPS Series 2.0 Adapter, Type S11, 3/8 Male, 18 Thread NPS, 7100135942
3M 10455, Cloth Sheet 481W, 220, 9 in x 11 in, 7010294811
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
Dynabrade 92119 1/4" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
3M 07054, General Purpose Sanding Sponge CP041-12-CC, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101246 