Technical Data:
Series: 137
Product type: Extension-Rod Type Main Unit
Measuring range: 2 - 2.5 in
Graduation: 0.001 in
Micrometer head stroke: 0.5 in
Measuring face: Carbide-tipped
Reference setting: Reference gage required
Optional reference-setting methods: Gage Block Accessory Set or setting ring

Dimensions:
Micrometer main-unit common geometry:
Main-unit body length=50 mm
Front/rear measuring-point Dia.=4 mm
Body Dia.=15 mm
Rear/reference Dia.=5 mm
Reference dimensions=1.7 mm, 23 mm and 4.8 mm
Measuring faces=SR10
Extension-pipe thread=M10x1
Cover provided