Mitutoyo Inside Micrometer 8" - 20" Range - 141-121
Wide range of ID measurements with interchangeable rods.
Each interchangeable rod is marked with its measuring range.
The sizes of interchangeable rods can be adjusted with spacing collars.
Both micrometer head and furnished rods are satin-chrome finished throughout.
Spherical and hardened contact points for extra long tool life.
Overall accuracy is .0004" up 12"(300mm). .001 thereafter to 40"
Supplied in fitted plastic case. Over 1000mm / 40” supplied in wooden case