The Starrett 256.1M Disc-Type Micrometer is used to measure the thickness of work sections such as ribs, lands, fins, cutting edges on form tools, and chordal thickness of gear teeth. 1-2" Range, .001" Grad, Ratchet Stop, Lock Nut.
This item is no longer available.
The direct replacement is 486P-2.
For additional support, please contact our customer service department at (978) 249-3551.
[Discontinued 10/2025]