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 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
3M 16219, PPS Liner Dispenser: Large, Standard, or Midi, 7100041780
3M 08307, Self-Leveling Seam Sealer, 200 mL Cartridge, 7000148242, 6 per case
3M 03140, General Purpose Sanding Sponge CP041-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101537, 6/pack 