Technical Data:
Two/three points internal micrometer
Range: 16-20mm
Type: C
Three points
Carbide measuring points
Meet DIN863-4
Graduation: 0.005mm
Accuracy: 4um
Ratchet stop
Extension rod included: 150mm

Dimensions:
L=80mm
a=0.5mm
b=6mm
c=4.5mm

Remark:
Setting ring: dia.16mm included
Optional accessories: setting ring 6312; micrometer stand/clamp 6301 and 6301-2
Supplied with manufacturer inspection certificate