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 IST-TT1000, DIGITAL TORQUE TESTER, 885~8851in.lb/74~738ft.lb, 6940561900101
Dynabrade 55204 Vane Set (4pk)
Dynabrade 59339 Vacuum Cuff, 1", w/Groove
Air Turbine Tools 310RSV - 6mm Router Hand Tool Series, 25,000RPM, 33421
Dynabrade 11004 Dynafile Screw-In Housing
Dynabrade 15336 Rubber Drive Wheel
Dynabrade 79061 1/2" W x 24" L 60 Grit A/Z DynaCut Belt, 50/pack
3M 07054, General Purpose Sanding Sponge CP-041-ESF, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101551 