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 26325, PPS Series 2.0 Spray Cup System Kit, Large (28 fl oz, 850
mL), 125 Micron Filter, 7100134637
Insize 0213-A500, INFRARED THERMOMETER, -58?F~716?F/-50?C~380?C, 6940561934700
3M 26000, PPS Series 2.0 Spray Cup System Kit, Standard (22 fl oz, 650mL), 200u Micron Filter, 7100135954
3M 64802, Scotch-Brite EXL Unitized Mounted Point, B52 x 1/8 in 8S FIN, 3M 7100068025
3M 77154 Scotch-Brite Durable Flex Belt, 1/2 in x 18 in, A FIN, Trial Pack, 7010310032
3M 47105, Cubitron II Stikit Film Disc 775L, 320+, 6 in x NH, Linered w/Tab, Die 600Z, 7100145432, 250 per case
3M 26118, PPS Series 2.0 Adapter, Type S26, 11 mm Male, 1.0 mm Thread, 7100135924 