?Efficient Fan Clutch Removal and Installation?: The Aottykro Clutch Fan Removal Tool comes with 32mm & 36mm wrenches and a fan pulley retaining tool. It is designed for effortless removal of locking nuts on temperature-dependent viscous fans. The retaining bar securely locks the water pump pulley in place, ensuring a precise fit and significant cost savings. This is the ideal fan clutch removal tool kit for your engine.