BASIC NAME MICROMETER NAME MODIFIER EXTERNAL TYPE STANDARD READING RANGE DRUM RANGE DRUM / DRUM MATERIAL ACO INOX TIPS ACO LEATHER / HARD METAL SHAPED TAPE SHAPE INTERCHANGEABLE STOP ROTARY SPINDLE INTEGRAL SPINDLE STANDARD ARC ARC MATERIAL CAST IRON SURFACE TREATMENT OF PAINTED ARC PAINTED WITH LOCK COMPARATOR COMPARATOR WITHOUT WATCH COMPARATOR PACKING CASE CAPACITY 0 TO 150 MM GRADUATION 0.01 MM