FF1 max wire diameter 1/8", max turnbuckle 1/4", max sail area 120'

CDI roller furling gear by Cruising Design were the first on the market with a flexible full length luff extrusion.  Ideal for trailer sailing they are a true roller furling, roller reefing system.  These units are unique as they have their own jib halyard and do not use an upper sail swivel.  The FF1 has a maximum stay length of 21'