Mitutoyo 129-150 Mechanical Depth Micrometer includes interchangeable rods to provide a wide range of measurement.
0.157"/4mm diameter measuring rods, with lapped measuring end, provide a wide measuring range.
The rod length can be adjusted in 1" or 25mm increments
With ratchet stop for constant force
With Meausring rod clamp.
Supplied in a fitted wooden case