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 4602-20, FEELER GAGE (length 100mm), 0.05-1.00mm, 20 leaves, 6928640318511
Dynabrade 91328 11-1/4" Dia. x 30 Micron A/O Hook "O"-style Vacuum Microfinishing Disc, 10/Box
3M 37024, Extra Large Drywall Sanding Sponge 910-DDA, Dual Angle, 2-1/2 in x 8 in x 1 in, Fine, 7010375249 