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 27254, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 60 grit, 7100188460, 5 per pack
3M 50010, VentureClad Insulation Jacketing Tape 1577CW-WME, White, 99 mm x 13.7 m, 7010379907
3M 08749, High Bond Rearview Mirror Adhesive, 0.02 fl oz, 7010364470, 12 per case
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
Dynabrade 52402 2" (51 mm) Dia. 7 Degree Offset Disc Sander, Front Exhaust, .5 HP, 20,000 RPM, 1/4"-20 Thread
3M 26046, PPS Series 2.0 Adapter, Type S15, 3/8 Male, 19 Thread BSP, 7100135334
Dynabrade 95684 1/4" Male Coupler
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 26137, PPS Series 2.0 Adapter, Type S41, Trapezoidal Thread - QCC, 7100135947
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 7100231080, Cloth Belt 340D, 80 X-weight, 4 in x 21-3/4 in, Film-lok, Single-flex, 50 per case
Dynabrade 78601 3/8" Dia. x 2" W x 1/8" Center Hole, 180 Grit, 100/pack
3M 35790, 675L, 1" X 120", 74u, Diamond Microfinishing Film Belts, 7010509196
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 27707, Cubitron II Roloc Durable Edge Disc 984F, 36+, YF-weight, TSM, Maroon, 4 in, Die RS400BBM, 7000119217, 100 per case 