Starrett 3732XFL-1 Inch/Metric Electronic Micrometer with out Output with a NIST-Traceable Calibration Certificate with Data Your unit is calibrated prior to shipment with a new nist-traceable calibration Certificate with data The NIST calibration provides you assurance your instrument Meets manufacturers specifications. Your instrument is ready to Use day one meeting most quality system standards 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 rum-piece friction thimble permits one-hand operation of Micrometer and uniform contact pressure