Tubular Inside Micrometer Extension Rod Type

Tubular Inside Micrometers Series 137-Extension Rod Type,Series 139-Extension Pipe type,Series 140-Extension Pipe Features:

1. Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head.
2. Carbide-tipped measuring faces are available. (series 137)
3. The 139 and 140 series use highly-durable/ large-diameter extension pipes.
4. Series 137 supplid in fitted plastic case except 1550mm/60in come in wooden case.
5. Series 139 supplied in fitted wooden case except 500mm/20in come in plastic case.
6. Series 140 supplied in fitted wooden case.