One-handed Operation Design: The soldering and desoldering pump has a simple structure and can be easily operated by both left-handed and right-handed users. Just tighten the pump with one hand and press the trigger button. Say goodbye to welding troubles: Introducing a high-power manual soldering device that heats up in just 3 seconds, enhancing soldering efficiency. Welding, cutting and rust removal 3 in 1: Combines welding, cutting and rust removal functions in one unit, suitable for various metal materials and industrial applications, meeting diverse usage requirements. Ergonomic design: Features a comfortable handle for easy and stable one-handed operation, reducing user fatigue and allowing beginners to use with ease. Wide application: Multi-function iron welder kit ideal for circuit board welding, appliance repair, jewelry making, metal crafting, computer repairs, and DIY projects. Suitable for beginners, hobbyists, household use, and training purposes. Wire diameter: 0.8-1.2mm Package: 5 pcs/set Includes: 1 set multifunction soldering iron or 1 roll 30g 0.8mm soldering wire