For Plastic Welder Automotive Repair Machine Welding Wire Car Bumper Repair Welding Machine Tool. The plastics welding staple are made of fine quality tungsten steel materials, which are practical, have fine hardness and toughness, and are easy to process. Used for permanent repairing of breaks, cracks and tears in rigid or flexible thermoplastics parts. Easy to Operate: This plastic welder repair kit is easy to use, you only need a few seconds to learn how to use it. The simple steps are as follows: clean the surface, choose a suitable welding stud, then heat it, and finally stick and repair. Reliable performance, waterproof and heat resistant when fully cured, can be polished or painted., Manufacturer: KHfgDHG