calibrador digital

característica:

1, d'acer inoxidable eina de mesurament calibrador digital

2, mm/inch conversion at any pasition,zefD setting at any position

3, Can measuring inner diametei;outer (fiamete^depth and step

4, Low voltage warning by flashing display

5, Durabie zinc alloy display case

6, Manual power on/off or auto power off