Fan Clutch Wrench Set 5 piece set includes 9 sizes: 36, 40, 48, 54, 57, 68, 72, ... drive square for attaching a breaker bar toapply extra torque.Set includes: 2-1/4" Fan Pulley Holding Tool 2-3 ... can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact ... future business relationships and achieving mutual success! Fan Clutch Wrench Set