Basin Wrench Double ended cast iron wrench with 27mm & 32mm sides to fit standard 15mm and 22mm fittings (1/2" & 7/8") of back nuts & union nuts of pillar and bath taps behind basins, sinks & baths. Use in horizontal / vertically confined areas. Grips on smooth oily & wet surfaces. Corrosion-resistant finish. Length 250mm 9000