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 47083, Cubitron II Stikit Film Disc 775L, 320+, 5 in x NH, Linered w/Tab, Die 500X, 7100145365, 250 per case
3M 77579, Cubitron ll Cloth Belt 784F, 36+ YF-weight, 1/2 in x 24 in, Fabri-lok 45 Angle, Single-flex, 7100232690, 200 per case
Insize 1148-100SWL, DIGITAL DEPTH GAGE WITH ROUND DEPTH BAR, 0-4"/0-100mm, built-in wireless, 6940561942880
3M 26140, PPS Series 2.0 Adapter, Type S45, 1/4 Female, 19 Thread BSP, 7100135336
Dynabrade 77768 5" Dia. x 7/8" Center Holes, 60 Grit, Z/A, Type 27, DynaCut Flap Disc w/Fiberglass, 10/pack
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
Dynabrade 90872 2" Dia. Coarse NWN DynaBrite Locking-Type Disc, 25/pack
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy. 