Technical Data:
Two/three points internal micrometer
Range: 3-4mm
Type: A
Two points
Carbide measuring points
Meet DIN863-4
Graduation: 0.001mm
Accuracy: 6um
Ratchet stop

Dimensions:
L=22mm

Remark:
Setting ring: dia.4mm included
Optional accessories: setting ring 6312; micrometer stand/clamp 6301 and 6301-2