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 47105, Cubitron II Stikit Film Disc 775L, 320+, 6 in x NH, Linered w/Tab, Die 600Z, 7100145432, 250 per case
Insize 3231-1, NON MAGNETIC MICROMETERS, 0-1", 6928640379321
3M 00499, Bondo Fiberglass Cloth, 8 sq ft, 7000120014
3M 34425, General Purpose Sanding Sponge CP041-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100175218, 3/pack
3M 82603, Hot Melt Adhesive 3779 TC, Amber, 5/8 in x 2 in, 7000000890, 11 LBS/Case
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 49937, Roloc Disc 361F, 60 YF-weight, TSM, 2 in, Die RS200PM, 7000119016
3M 47087, Cubitron II Stikit Film Disc 775L, 240+, 5 in x NH, Linered w/Tab, Die 500X, 7100145374, 250 per case
Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack
3M 55701, Stikit Film Disc w/Tab 375L, P180, 6 in x NH, Die 600Z, 7100106619, 250 per case
3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
Dynabrade 77763 4-1/2" Dia. x 7/8" Center Hole, 60 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack
3M 85492, Scotch Foil Tape 3311-10A, 2.0 in x 10 yd (50.8 mm x 9,1 m), 7010383663
Dynabrade 78101 2" Dia. x 80 Grit A/Z DynaCut Locking-Type Disc, 2 Ply Cloth, 25/pack
3M 16615, Accuspray Atomizing Head, Blue, 1.2 mm, 7100086837 (4 Nozzle/Kit)
Standard Abrasives 726072, A/O C2 Straight Precision Cartridge Roll, 5/8 in x 2-1/2 in x 1/4 in 120, 7100098781
3M Scotchkote Liquid Epoxy Coating Spray System HSS Mix Nozzle, RightAngle, 7000058900 