General description The Special washbasin key mixer is designed for the easy assembly and disassembly of taps and mixer taps under sinks. Its long hollow handle and hollow ends allow access to hard-to-reach nuts without obstruction from long threaded rods. This tool is compact and user-friendly, making it ideal for both professionals and DIY enthusiasts. Technical specifications Wrench size: 13 mm Drilled socket sizes: Ø 8 mm, Ø 9 mm, Ø 10 mm, Ø 11 mm, Ø 12 mm Compatibility and accessories Suitable for all types of taps