Built with durability in mind, the trowel gun features a plastic casing, guareeing a long-lasting, robust for all your needs. Engineered with a brass soldering iron that ensures quick heating and seamless s without cang additional damage, ing to professional-looking outcomes. PRECAUTIONS: Welding kit power is large, do not use the heating time is too long, if a long time without stopping the work may lead to the failure of the welder can not be used, you can pause for a period of time and then continue to weld.(Except for plastic materials containing fiberglass, which have poor repair effects) 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