Positive locking clamp
Ratchet Stop or Friction Thimble for exact repetitive readings
Satin-chrome-finished frame, tapered (on the anvil side) for hard-to-reach places.
Carbide-tipped measuring faces.
Designed to be operated efficiently with one hand.
Outside Micrometers with Ratchet Stop
0 - 25mm
Flatness: 0.6µm (.000024") for models up to 300mm (12") 1µm (.00004") for models over 300mm (12")
Parallelism: (2+L/100)µm (.00008+.00004 (L/4))
* L= Maximum measuring length (mm) |(inch)|, Fraction rounded down.