Starrett MICROMETER, ELECTRONIC, 450-475mm

Features Balanced frame design for comfortable and accurate measuring SPC Output 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 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 Output capability Inch/millimeter metric conversion provides simple, universal, standardized unit of measurement at any position PRESET button to install any reading at any position Metric/English (ME) models have mm graduations on shell and thimble and display metric units at power up     Specifications Made in America: Yes Micrometer Type: Outside Range (in): 17.710-18.700" Range (mm): 450-475mm Resolution (in): .0001" Resolution (mm): 0.001mm Anvil/Spindle Material: Carbide Anvil Type: Flat Spindle Type: Flat Lock Nut Type: Knurled Ring Type Thimble Type: Friction Thimble Graduations: Metric Display Type: LCD SPC Output: Yes Accuracy (in): +/-.0003" Accuracy (mm): +/-.008mm