Technical Data:
Digital drum brake caliper
Measure internal diameter of drum brakes
Non waterproof
Resolution: 0.01mm/0.0005in
Buttons: on/off, zero, mm/inch
Automatic power off, move the digital unit to turn on power
Battery: CR2032
Data output
Made of stainless steel
Range: 30-300mm/1.2-12in
Accuracy: +/-0.05mm

Dimensions:
Overall length=445mm
Beam width=20mm
Drawing dimensions=85mm; 40mm; 22mm; 6mm; 4.5mm

Remark:
Adjustable depth rod
Calibration block included
Optional wireless transmitter code 7315-22; receiver is needed
Related products: disk brake micrometer 3288 / 3588 series