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 6302, MICROMETER STAND, 6928640392467
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
Dynabrade 98270 1/2" Male Coupler
3M 77157 Scotch-Brite Durable Flex Belt, 77157, 1/2 in x 18 in, A MED, Trial Pack, 7010365702
3M 47088, Cubitron II Stikit Film Disc 775L, 240+, 6 in x NH, Linered w/Tab, Die 600Z, 7100145372, 250 per case
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
Standard Abrasives 701149, PSA A/O Disc, 1 in x NH, 240, 7010370103
Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
3M 14308, AB14308, Square/Cross Pad Mandrel, 1/4 in 1/4-20 External, 7000045662
3M 55658, Stikit Film Disc w/Tab 375L, P320, 5 in x NH, Die 500X, 7100106616, 250 per case
Dynabrade 95684 1/4" Male Coupler
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
3M 45179, Roloc Disc Pad TR, Medium 4 in 1/4-20 Internal, 7000045281
3M Scotchkote Liquid Epoxy Coating Spray System HSS Mix Nozzle, RightAngle, 7000058900
Standard Abrasives 702559, A/O Half Taper Cartridge Roll, 1 in x 2 in x 3/16 in, 60, 7100102895 