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 machine that heats up in just 3 seconds, making your soldering speed significantly faster. Welding, cutting and rust removal 3 in 1: Integrates welding, cutting and rust removal functions, one tool for multiple uses, suitable for a variety of metal materials and different industrial applications, meeting a variety of usage needs. Ergonomic design: Comfortable handle design, ergonomic, easy and stable to use with one hand, making soldering more labor-saving, even beginners can quickly get started. Wide application: Multi-function iron welder kit used for welding circuit boards, appliance repair, jewelry and metal headdress making, computers, and DIY projects. Very suitable for beginners, welders, household use, welding engineers, training, etc. Wire diameter: 0.8-1.2mm Package: 5 pcs/set includes: 1 set multifunction soldering iron or 1 roll 30g 0.8mm welding soldering wire