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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 a size and style to fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach. Perfect for main, jib and spinnaker sheets on dinghies and sportboats; control lines on boats of all sizes.
Lightweight, strong and reliable fiber-reinforced composite construction.
Ball bearings, sheave, and sideplates are UV-stabilized.
MAURIPRO Sailing; your direct access to shop for Harken 57mm Carbo Blocks. Chat with us regarding any sailboat equipment inquiries.