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 15336 Rubber Drive Wheel
Dynabrade 57113 Rotor/Vane Set
Insize 6225-80E, UNIVERSAL DIAL INDICATOR STANDS (NON-MAGNETIC),
Dynabrade 01480 Vane Set (4pk)
Dynabrade 11399 Type 27 Wheel Mounting Adapter Kit
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 07107 Vane Set (5pk)
Dynabrade 14230 Rubber Drive Wheel
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 