Internal micrometer sets
                            
                              
                            
                            
                            
                            
                                                                  110-B003接杆式内径千分尺  
                                                                 
                                                                  Internal micrometer sets
                                                             
                                                         Be used for measuring inside diameter
Accuracy: ±(3+N+L/50)um, N=number of rods, L=maxium measuring range in mm.
The measuring range within 5000mm can be customized.

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