TOPCHANCES 110V Professional Woodburning Detailer 50W Laser Pyrography Machine Wood Burning Kit for Wood Leather,Christmas Nice Present (50W Pyrography Machine) High-resistance alloy pen tip with high strength at high temperature and not soft, long life of anti-oxidation, carbon deposition, etc. Copper pen head is multi-purpose use in rendering, painting, inking in the lines, silking and calligraphy. Tips: Wipe pen sponge, at any time to wipe the carbon on the pen tip, to improve the quality of ponograph, sponge dipped in water before use, then wipe the tip, so as not to burn the sponge high temperature burner. Application: wood,gourd,leather,wheat straw, bark,leaves, bamboo, eggs, and other materials are applicable. Warranty: We are serious seller on Amazon for 4 years ,and we have registered brand on Amazon ,we will protect each of our customer's benefit . We promise 30 money back and 1 year warranty.