OUTSIDE MICROMETERS – INTERCHANGEABLE ANVILS (20-390):Wide measuring range with interchangeable anvils. High accuracy interchangeable anvils enable a reading that does not have to be reset when changing anvils.
Carbide measuring faces, Flatness 0.0008mm
Micro-fine clear graduations on satin chrome finish
Ratchet thimble for exact repetitive readings
Pipe combined frame for light weight and high rigidity
Resolution: within 0.01mm