Technical Data:
Wide range three-point internal micrometer
Range: 50-70mm
Accuracy: 5um
Meet DIN863-4
Graduation: 0.001mm
Carbide measuring faces
Ratchet stop

Dimensions:
Drawing reference dimensions=293mm; 77mm; 152mm; 230mm; 0.5mm; 19mm; 14mm

Remark:
Setting ring: dia.50mm included
Setting rings are included except 200-300mm
Supplied with manufacturer inspection certificate