1.Light weight 2.Easy to operate 3.Exquisite and convenient 4.marking materials of metal, chinaware, marble, glass, jade, etc DescriptionThe engraving pen is a new type of electronic engraving instrument. It is small, fast, long-last engraving and simple to operate. It is widely applied in engraving patterns on the surface of almost all the hard materials, such as metal. ceramic, glass, plastic, ...