... plastics HICHOICE Hot Knife is a professional-grade hot cutting tool for nylon wire or tape, foamed plastics and ... touch with the material.6. When use the tool ,Do not use the metal to touch the ... the matter on the blade NOTE: Using the tool in ventilated environmental conditionDo not heating the blade ... without touch the material.When use the tool, do not touch the bladeAfter cool the blade ...