Mitutoyo Spherical Face Digit Counter Micrometer Features include... 0-1" Measuring Range + 0.00015" Accuracy Spherical Anvil Spherical Spindle With Digit Counter 0.0001" Readings With Ratchet Stop for constant force Supplied in fitted plastic case PLEASE SELECT CALIBRATION OPTION FROM PULL DOWN MENU. Standard Calibration Usually takes about 3-4 Weeks to ship from Mitutoyo. 5-Day Calibration Ships out within 1 Week after receipt of order. 1-Day Calibration Ships out in 1 Day after receipt of order. INCLUDES CERTIFICATE OF CALIBRATION TRACEABLE TO NIST. Mitutoyo now is offering their most popular gages with an ISO/IEC 17025 Accredited Certificate of Calibration that is traceable to NIST. These calibrations are performed at Mitutoyo America's A2LA Accredited Calibration Laboratory in Aurora, Illinois after receipt of order. The Open Date Put Into Service is to be filled out by the end user when the gage is first used.