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 22972, Disc Holder Adapter 9, 5/8-11 External M10-1.50 Internal, 7000046095
Standard Abrasives 78524, Ceramic Pro Type 29 Flap Disc, 645133, 4-1/2 in x 7/8 40 Y-weight, 7010369545, 10 per case
3M 45203, Stikit Sanding Block, 2-1/2 in, 7000028350
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
Standard Abrasives 725008, Buff and Blend Cross Buff HP, A/O Very Fine, 1 in x 3/8 in x 2 Ply x 8-32, 7000046829
3M 28135, Hookit Clean Sanding Disc 900DZ, 6 in P100 J-weight, Die 500LG, 7010300153
3M 93949, General Purpose Sanding Sponge CP040-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100175194, 3/pack 
