Technical Data:
Digital two/three points internal micrometer
Range: 6-8mm/0.24-0.31in
Type: B
Three points
Steel measuring points
Resolution: 0.001mm/0.00005in
IP65 dust/waterproof
Buttons: on/off, set, mm/inch, data transmit
Data output
Automatic power off
Ratchet stop
Accuracy: 4um
Extension rod included: 100mm

Dimensions:
L=57mm
a=1.5mm
b=2.5mm

Remark:
Setting ring: dia.6mm included
Optional wireless transmitter: 7315-31; receiver required
Optional accessories: setting ring 6312; micrometer stand/clamp 6301 and 6301-2
Supplied with manufacturer inspection certificate