1.Light weight 2.Easy to operate 3.Exquisite and convenient 4.marking materials of metal, chinaware, marble, glass, jade, etc DescriptionThe engraving ... the surface of almost all the hard materials, such as metal. ceramic, glass, plastic, marble and timber. It not only plays the ... )Dimension150 x 65 x 40mmNet weight250gPacking weight300g electric engraving pen for steel