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?).

Insize 7126-12, RIGID RULE12", 6928640385193
3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925
Norton 66261199696 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 7AM U2305, 40 Each
3M 16199, PPS Disposable Lids, Standard and Large, 125 Micron Full
Diameter Filter, 25 lids per case, 7000119821
Dynabrade 78599 3/8" Dia. x 2" W x 1/8" Center Hole, 80 Grit, 100/pack
Standard Abrasives 710725, A/O Full Taper Cartridge Roll, 1/2 in x 1-1/2 in x 1/8 in 36, 7100085875
3M 26001, PPS Series 2.0 Cup, Standard (22 fl oz, 650 mL), 7100134653, 2 Per Carton
3M 80799, Scotch-Brite Combi-S Wheel 3 in x 1-3/4 in 1/4 in Shank P180 X-weight, 7000077964, 10 per case
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
3M 26046, PPS Series 2.0 Adapter, Type S15, 3/8 Male, 19 Thread BSP, 7100135334
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 92120 1/4" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack
3M 07054, General Purpose Sanding Sponge CP-041-ESF, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101551 