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?).

Dynabrade 11518 Rubber Drive Wheel
Dynabrade 01480 Vane Set (4pk)
Dynabrade 11004 Dynafile Screw-In Housing
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
3M 03126, General Purpose Sanding Sponge CP040-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100101532, 6/pack 
