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 6282-2019, EXTENSION ROD, 2", 6928640350740
Dynabrade 77761 4-1/2" Dia. x 7/8" Center Hole, 36 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
3M 02090, Trizact Hookit Blending Disc 443A, 6 in, P1000 grade, 7000000539, 15 discs per carton
3M 05068, Cubitron II Stikit Film Disc 775L, 400+, 5 in x NH, Linered w/Tab, Die 500X, 7100145364, 250 per case
3M 96673, Glass Cloth Tape 398FR, White, 3 in x 36 yd, 7 mil, 7000001301
3M 26106, PPS Series 2.0 Adapter, Type S22, 8 mm Male, 0.75 mm Thread, 7100135958 