57 mm Carbo Block - Swivel, Becket
7/16" (10mm) Line Single Blocks
The lightweight 57mm Carbo Blocks have a high load capacity and broad working range. Use for main and jib sheets on centerboard and keelboats like Lightnings, Dragons, Solings, J/24's and catamaran mainsheets. 60% stronger and 30% lighter Long glass fiber injection molded Attachment applications and uses are limitless Use for main/jib sheets, spinnaker halyards and control lines