Technical Data:
Product type: Tubular Inside Micrometer, Extension-Pipe Type
Measurement: Inside dimension
Reference setting: Optional reference gage required for accurate setting
Measuring faces: Carbide-tipped
Graduation: 0.01 mm for metric models / 0.001 in for inch models
Series: 140
Measuring range: 1000 - 4000 mm
Micrometer head stroke: 50 mm
Extension pipe quantity: 7
Main unit range: 1000 - 1050 mm

Content:
Extension pipes:
50 mm
100 mm (2 pcs.)
200 mm
500 mm
1000 mm (2 pcs.)