Weller SI120 120W Soldering Iron – Heavy Duty

The Weller SI120 is a heavy-duty soldering iron delivering 120W of consistent heating power, ideal for large joints, chassis work, and industrial soldering applications. It features a bent nickel-plated copper tip with a chisel point (12.5mm) for efficient heat transfer and easy solder application. Perfect for electricians, panel builders, and repair technicians working with larger components and thicker conductors.