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?).

Dynabrade 94993 1/4" Male Composite-Style Coupler with 1/4" Female Plug Assembly
Insize THT-A101T-U, TEMPERATURE AND HUMIDITY TESTER, 19.69_23.62_19.69", 6974029771446
Dynabrade 91430 1/2" W x 12" L 120 Grit A/O DynaCut Belt, 50/pack
3M Scotchkote Liquid Epoxy Coating Spray System HSS Mix Nozzle, RightAngle, 7000058900
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
Dynabrade 95675 1/4" Male Plug with 1/4" NPT Male Thread
Dynabrade 90874 2" Dia. Very Fine NWN DynaBrite Locking-Type Disc, 25/pack
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
Dynabrade 82555 1/2" W x 18" L 60 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 78020 1/2" W x 18" L Medium NWN DynaBrite Belt, 10/pack 