AMPRO T75512  Fan Clutch Wrench Set, 4-Piece Perfect for removing and installing fan clutch assembly on most Ford engines 1 9/16inch and 1 7/16inch double ended wrench 2 1/4-Inch holding wrench with 1/2-Inch square drive 1 7/8-Inch single ended wrench 3 1/4 holding wrench with a 1/2inch square drive