Starrett MICROMETER, ELECTRONIC, 20-21″

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 No-glare black wrinkle finish on frame Hard and stable one-piece friction thimble permits one-hand operation of micrometer and uniform contact pressure Inch/millimeter metric conversion provides simple, universal, standardized unit of measurement at any position Ring-type knurled lock nut for quick and sure locking Micro-lapped carbide measuring faces     Specifications Made in America:YesMicrometer Type:OutsideRange (in):20-21″Range (mm):508-533mmResolution (in):.0001″Resolution (mm):0.001mmAnvil/Spindle Material:CarbideAnvil Type:FlatSpindle Type:FlatLock Nut Type:Knurled Ring TypeThimble Type:FrictionThimble Graduations:EnglishDisplay Type:LCDSPC Output:YesAccuracy (in):+/-.0003″Accuracy (mm):+/-.008mm