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 18410, Adhesive Transfer Tape Double Linered 7955MP, Clear, 24 in x 36 in, 5 mil, 7000001568, 100 sheets per case
Insize 2380-301, DIAL TEST INDICATOR, .008", 6928640350764
Dynabrade 52474 Vane Set (4pk)
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 55242 Vane Set (4pk) 