The Starrett 762NXRL Electronic Micrometer Head with Standard Inch Graduations on Shell and Thimble includes 0-1"/0-25mm range, ratchet stop, lock nut, carbide face, and non-rotating spindle. Featuring large digital readout that is easy to read and reduces errors. Conventional inch or millimeter graduations are standard. Heads are easy to handle with smooth friction thimble for uniform pressure. 0-1" (0-25mm) Range, Ratchet Stop, Lock Nut, Carbide Face, Non-Rotating Spindle pressure.