... :80mm 3,Length:1300mm 4,Used for laser cutting,non-metal materials,etc " laser tube 80w" specification: Nantong Bil Laser DevicesCo ... ,glass, stone,acrylic,wood,color board and so on non metal material. Aplicable industry:advertisement, crafts, clothes,decoration,archetechture,rock,leather.,etc ... ,The two ends of the laser tube is made of metal, can adjust, makeflare can more round, our glass tube type ...