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 1120-1501, DIGITAL INSIDE GROOVE CALIPER, 1.38-6"/35-150mm, 6928640384790
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
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
3M 64283, Cubitron II Stikit Film Disc 775L, 220+, 5 in x NH, Linered w/Tab, Die 500X, 7100075692, 250 per case
Dynabrade 98272 1/2" NPT Female Plug
Dynabrade 98269 1/2" Female Coupler
Dynabrade 95677 1/4" Male Plug with 1/4" NPT Female Thread
Dynabrade 97567 1/4" Safety Coupler, Male
3M 99635, Scotch-Weld General Purpose Pipe Sealant PS77, Yellow, 50 mL Tube, 7010366168, 10/Case
Standard Abrasives 702229, A/O Full Taper Cartridge Roll, 3/8 in x 1 in x 1/8 in 120, 7100085861
Dynabrade 94960 1/4" Composite-Style Coupler, 1/4" Female 