... :0.001mm;0.00005"No:1540 Electronic Inside MicrometersNo:1640&1640A μ-Digit Depth MicrometersNo:1515 Inside Micrometers (Caliper Type)No:1610 A=63 ... , cutting tools and machine accessories , the Micrometers include:Outside micrometers,digital micrometers,electronic micrometers,indide micrometers,internal micrometers,spernal micrometers and so on .we can accept small ...