Replacement single flat 2.4mm tip for WLBU75 Weller's cordless butane soldering iron. The signal flat is easy to replace without a tool and is perfect for your electronic soldering tasks. Solder on-the-go with Weller's soldering iron and heat tool. 25W-75W butane provides continuous no-stop soldering. With quick and easy butane refills, wide range of tips, auto shut off, and the ability to convert for hot air/torch applications, it's perfect for your soldering tasks. Single Flat tip helps deliver heat to solder joints greater than 2.4mm wide on PCBs and can also be used for general soldering tasks Applications includes join wires (>8AWG), micro-electronics, drones, small appliances, model railroads, audio components, electronic repair, automotive, marine, hobby kits, and crafts. Tip is easy to change by pulling the old tip off and pushing new tip on (turn off soldering iron and allow tip to cool before removal).