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:YesMicrometer Type:OutsideRange (in):17.710-18.700″Range (mm):450-475mmResolution (in):.0001″Resolution (mm):0.001mmAnvil/Spindle Material:CarbideAnvil Type:FlatSpindle Type:FlatLock Nut Type:Knurled Ring TypeThimble Type:FrictionThimble Graduations:MetricDisplay Type:LCDSPC Output:YesAccuracy (in):+/-.0003″Accuracy (mm):+/-.008mm