Electric carving pen 1.Light weight 2.Exquisite and convenient 3.marking materials of metal, chinaware, marble, glass, jade Electric carving penUsage It is ... relieve their worries.Use Method The right hand holds the pen in usage to make the head of the chiael incline ... and drives the metal head at the top of the pen.Voltage Range 220V/50Hz. Power 25W. Sample Electric carving pen