Technical Data:
Angle gauge blocks
Application: inspect protractor, taper gauge, index plate, index head and goniometer; can also be used to set angle
Material: special alloy steel
Hardness: HRC64
High stability, wear resistance and easy combination
Accuracy: +/-2 seconds
Can be combined to any angle with interval 6 seconds after combination (6", 12", 18", ... 360deg)
Supplied with manufacturer inspection certificate
Total quantity: 13
Angles included: 1deg, 3deg, 9deg, 27deg, 41deg, 1min, 3min, 9min, 27min, 6sec, 18sec, 30sec, 90deg/90deg/90deg/90deg

Dimensions:
Block length=75mm
Block width=15mm
Height H varies by included angle block

Remark:
Positive and negative combinations can be used to build required angles