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?).

3M 72349, PELTOR X2 Hygiene Kit HYX2/37281(AAD), for X2 Earmuffs, 10 Kits EA/Case, 7000104046
3M 07056, Drywall Sanding Sponge CP-042, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100101555
3M 19553, Cloth Belt 577F, 60 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119458, 200 per case
3M 02140, Fibre Disc Backup Pad, TN Quick Change , 4-1/2 in x 5/8-11 Internal, 7000045746
Dynabrade 56826 6" Dia. Non-Vacuum Dynorbital Supreme Random Orbital Sander, 3/16" Orbit
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/pack
Dynabrade 79808 DynaBolt AO 4" x .035" x 3/8" T1 Cut-off Wheel, Box of 10 Discs 