Powerbuilt 647074 Ford Fan Clutch Wrench Set Easy Access To Fan Clutch Nut On: 1984 Thru 1993-Ford Each Tool Includes 1/2" Square Drive Hole For Use With Breaker Bar Includes: Ford Fan Clutch Wrench Set Allows easy access to fan clutch nut Removes threaded-on viscous fan clutches 1/2 inch square drive slot for use with ratchet or breaker bar