The high-load 57 mm Carbo block has a broad working range. Use for main and jib sheets on centerboard and keelboats like Lightnings, Dragons, Solings, and J/24s, and for mainsheet systems on catamarans.
Use for: Main/jib/spinnaker sheets, Mainsheet fine-tune, Control lines, Vangs, Cunninghams, Outhauls.