These smooth-running powerful performers make trimming easy, no matter how hard the wind blows. Carbo Air blocks are made of tough reinforced composite in size and style to fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach; 18 - 75 mm. Perfect for main, jib, and spinnaker sheets on dinghies and sport boats; control lines on boats of all sizes.
Harken's 29mm Carbo Blocks are great for use as a mainsheet on small dinghies such as the Optimist, or for low-friction control blocks on any size boat.
