... 1. Model: SH-K40 Laser engraving machine for stamp2. Applicable MaterialsVarious non-metal materials,such as rubber, acrylic, plexiglass, bowlder, ... Mainly used for engraving of non-metal materials: such as rubber,ox horns,wood,plexiglass, atomic materials,crystal,bowlder, etc.. ... products. For the engraving of patterns and characters on rubber,woodboard,bamboo piece,organic glass plank and cloth.The ...