BMW Fan Clutch Nut Wrench and Water Pump Holder Tool Kit Removal 32mm Heavy Duty Double-Ended Water Pump Holder Tool BMW 32mm Fan Clutch Wrench with Double Ended Fan Pulley Holder For removing the water pump on models with temperature dependent viscosity drive fans - Wrench removes lock nuts on thermo-viscous fans, while the fan clutch holder is used to hold the water pump pulley in place while loosening the radiator fan Dimensions: Wrench is 15" long, Holder is 15-3/4" long Heavy Duty Steel