Fast-forward-type outside micrometer 293,102 Series 

 Features: 
 1mm thread pitch easy-to-spindle sleeve on the quick set engraved with 100 scale, the measured value can be read directly with a carbide-tipped measuring surface casing can be kept constant ratchet force. (102 series also has a ratchet locking device) with a baseline rod (not including 25mm type) 293 series with SPC data output 
 Measuring surface: 
 Flatness: 0.6um Parallelism: 2um 
 Performance parameters 

 Metric ratchet-type locking device with a digital micrometer 

 Item division value measurement range precision 0-25mm293-151-300.001mm ± 1um25-50mm293-152-300.001mm ± 1um50-75mm293-153-300.001mm ± 1um75-100mm293-154-300.001mm ± 2um