Outside micrometer is a kind of precision measuring tool. It is used for mechanical processing measure & mechanical maintenance measure.Feathures:carbide measuring faces.Paitted frame Resolution: 0.01mm(metric);0.0001"(inch) dimensions:0~25mm, 25~50mm,50~75mm,75~100mm,100mm~125mm,125~150mm, 150~175mm,175~200mm,200mm~225mm,225mm~250mm,250mm~275mm and 275mm~300mm
It has metric and inch.It includes ratchet stop,friction thimble and ratchet friction thimble.It also has micrometer sets,outside micrometer for left & right hand and digit outside micrometer.