... , 40, 48, 54, 57, 68, 72, 76, 83mm Wrench Sizes Fan Clutch Wrench SetRemoving fan clutch to replace water pumps or for ... wont get o the job done. Heat-treated to withstandhigh torque to remove some fan clutches. Most wrenchesfeature a 1/2 ... drive square for attaching a breaker bar toapply extra torque.Set includes: 2-1/4" Fan Pulley Holding Tool 2 ...