Starrett Electronic Micrometer 3-4in 12271

Product Highlights Balanced frame design for comfortable and accurate measuring Large, easy-to-read, high-contrast LCD digital readout Starrett No-glare satin chrome finish on thimble and sleeve minimizes annoying surface glare under bright lights indoors or filters out UV light No-glare black wrinkle finish on frame Hard and stable one-piece friction thimble permits one-hand operation of micrometer and uniform contact pressure Ability to zero tool at any position as well as retain and return to the true zero reading of the micrometer Ring-type knurled lock nut for quick and sure locking Micro-lapped carbide measuring faces One 3-volt battery included for extended usage Automatic OFF Measurement HOLD button Inch/millimeter metric conversion provides simple, universal, standardized unit of measurement at any position PRESET button to install any reading at any position English/Metric models have inch graduations on shell and thimble and display English units at power up Micrometer Type Outside Range (in) 3-4" Range (mm) 76-101mm Resolution (in) .00005" Resolution (mm) 0.001mm Anvil/Spindle Material Carbide Anvil Type Flat Spindle Type Flat Lock Nut Type Lock Nut Thimble Type Friction Thimble Graduations English Display Type LCD SPC Output No Accuracy (in) +/-.00015" Accuracy (mm) +/-.004mm