EXTERNAL MICROMETER 400-500MM, BASIC NAME MICROMETER NAME EXTERNAL MODIFIER STANDARD TYPE READING SCALE DRUM RATCHET SHEATH/DRUM MATERIAL STAINLESS STEEL STEEL POINTS ALLOY/HARD METAL POINT SHAPE FLAT STOP INTERCHANGEABLE ROTATING SPINDLE INTEGRAL SPINDLE ARC STANDARD ARC MATERIAL CAST IRON SURFACE ARC TREATMENT WITH COMPARATOR WATCH LOCK WITHOUT COMPARATOR WATCH PACKAGING CAPACITY 400 TO 500 MM GRADUATION 0.01 MM COMMERCIAL REFERENCE DIGIMESS-110-224 MITUTOYO-104-143A SPECIFICATION NOTE: WITH CALIBRATION CERTIFICATE TRACKED BY RBC (BRAZILIAN CALIBRATION NETWORK) OR INMETRO .