General description Replacement Knife Soldering Tip for the Weller WLIR30 Soldering Iron. This tip enables the soldering iron to double as a hot knife cutting tool, making it ideal for cutting rope, nylon sleeving on cables, or fabric. The tip is designed for easy removal and replacement by simply turning the screw on the side of the heater, ensuring secure placement for optimal performance. Technical specifications Size: 4.0mm Compatibility and accessories Compatible with: WLIR3012A WLIR3023C WLIR3023G WLIR3023I WLIR3023M WLIRK3012A WLIRK3023C WLIRK3023G WLIRK3023I WLIRK3023M WLSK3012A WLSK3023C WLSK3023G WLSK3023I