Technical Data:
Series: 145
Product type: Analog Inside Micrometer, Caliper Type
Measuring faces: Carbide-tipped
Constant measuring-force device: Yes
Graduation: 0.01 mm for metric models / 0.001 in for inch models

Remark:
Reference setting requires an optional reference gage such as a Gage Block Accessory Set, CERA Inside Micro Checker or setting ring.
For mounting on a micrometer stand, optional cap 300401 and holder 300400 are required.
Measuring range: 400 - 425 mm
Accuracy: +/-21 um
Jaw type: Anvil
Mass: 470 g

Dimensions:
Jaw type: Anvil
Reference radii=R12
Reference dimensions=31.4 mm; 4.3 mm; 12.5 mm; 27.5 mm; 9.3 mm; 3 mm
Family drawing shown for larger-range caliper-type models