The Starrett 463 and 1463 Micrometer Head features 0-13mm range, 0.002mm graduation, ratchet stop, and lock nut. 0-13mm Range, 0.002mm Grad, Ratchet Stop, Lock Nut. Carbide Contacts.
The Starrett 263 & 263M Micrometer Head features ratchet stop, lock nut, and carbide face. 0-25mm Range, 0.001mm Grad, Ratchet Stop, Lock Nut, Carbide Face.
