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?).

Standard Abrasives 707415, A/O Tapered Cone Point, K-110 80, 7010331324, 100 per case
3M 45029, Diamond Grade Digital Reflective Sheeting 3924SUDS, Fluorescent Orange, 30 in x 50 yd, 1 Roll/Case, 7100282407
Dynabrade 95745 1/4" NPT Speed Regulator
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 914, DISC PAD HOLDER , 4 IN X 1/8 IN X 3/8 IN 1/2-13 INTERNAL, 7010365096
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 45242, Hot Melt Adhesive 3748 Q, Black, 5/8 in x 8 in, 7100026254, 11 lb/case
Dynabrade 77769 5" Dia. x 7/8" Center Holes, 80 Grit, Z/A, Type 27, DynaCut Flap Disc w/Fiberglass, 10/pack
3M 64324, Foil Tape 3340, Silver, 72 mm x 45.7 m, 3.9 mil, 7010335734
3M 77579, Cubitron ll Cloth Belt 784F, 36+ YF-weight, 1/2 in x 24 in, Fabri-lok 45 Angle, Single-flex, 7100232690, 200 per case 