... tube cost 3,run-through body design 4,CE,FDA Double-head Laser engraving machine RJ1612RJ Laser Engraving and Cutting Machine ... wood, bamboo, acrylic, organic glass, crystal, plastic,double-color board, marble, ceramic, glass, horn, paper, rubber, leather and so on.Features 1 ... laser tube and a high power cutting laser tube, this Double-head Laser Machine could be used for both cutting and ...