Technical Data:
Series: 128
Product type: Depth Micrometer
Measuring rod diameter: Dia.4 mm
Measuring rod clamp: Yes, clamp on rear surface
Ratchet stop: Yes, for constant measuring force
Standard accessory: 301336 Spanner
Measuring range: 0 - 25 mm
Graduation: 0.01 mm
Accuracy: +/-3 um
Base: 101.6 x 16 mm
Base flatness: 2 um
Rod flatness: 0.3 um
Parallelism, reference face to measuring rod face: 5 um
Remark: Standard rod

Dimensions:
Measuring range=0 - 25 mm / 0 - 1 in
Reference dimensions=25 mm; 18 mm; 66.5 mm
Base thickness=16 mm
Base width=101.6 mm or 63.5 mm according to model
Measuring rod diameter=Dia.4 mm
Micrometer body reference=Dia.18 mm