Description
- Each set consists of an inside micrometer head and a series of fully hardened and lapped extension rods of different lengths
- Anvil and spindle are hardened and precision ground with microlap finish on ends
- Spindle thread hardened, ground & lapped
- .001″ Microfine graduations on satin chrome
- Positive locking nut on spindle
- Meets or exceeds Federal accuracy specs
- Reference standard included with set
- Includes a wrench and a fitted case
