Technical Data:
Digital inside knife-edge calipers
Measure diameter of deep step holes
Non waterproof
Resolution: 0.01mm/0.0005in
Automatic power off, move the digital unit to turn on power
Battery: CR2032
Made of stainless steel
Buttons: on/off, zero, mm/inch
Range: 24-300mm/0.9-12in
Accuracy: +/-0.06mm

Dimensions:
L=500mm
a=150mm
b=22mm
c=24mm
d=0.5mm
e=3.5mm

Remark:
With data interface
Optional wireless transmitter code 7315-22; receiver is needed