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 16356, Fit Test Solution FT-12, Sweet, 7100004636, 6 ea/Case
Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case
3M 33439, Cubitron II File Belt, 33439, 60+, 10 mm x 330 mm (3/8 in x 13 in), 7100033194, 10 belts per carton, 5 cartons per case
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
Dynabrade 78598 3/8" Dia. x 2" W x 1/8" Center Hole, 60 Grit, 100/pack
3M 01331, Stikit Gold Film Disc Roll, 6 in, P120 grade, 7010292680, 75 discs per roll
3M 26006, PPS Series 2.0 Adapter, Type S5, 12 mm Male, 1.5 mm Thread, 7100135831
Dynabrade 97566 1/4" Safety Coupler, Female
3M 27628, Flange Adapter 6 in Radial Bristle Brush Set, 2 in x 1 in, 7000028515
Standard Abrasives 42718, A/O Flexible Flap Wheel 625128, 3 in x 1/2 in x 1/4-20 in 120, 7010369139, 10 per case
Dynabrade 95675 1/4" Male Plug with 1/4" NPT Male Thread
3M 20272, Neoprene Contact Adhesive 10, Light Yellow, 1 Quart Can, 7100011456, 12/case
Standard Abrasives 78526, Ceramic Pro Type 29 Flap Disc, 645135, 4-1/2 in x 7/8 80 Y-weight, 7010369546, 10 per case
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354
3M 28473, Roloc D/F Cool Running Disc Pad TR, 4 in x 5/8-11 Internal, FIN, 7000144107
Dynabrade 15006 Mini-Dynafile II Abrasive Belt Tool Versatility Kit
3M 03140, General Purpose Sanding Sponge CP041-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101537, 6/pack 