HARKEN Carbo Air Boat Blocks

HARKEN Carbo Air Boat Blocks are a family of lightweight, low-friction marine blocks built for reliable sail control. Constructed with ball bearings and UV-stabilized sheaves and side plates, these blocks provide high working loads while remaining compact and easy to trim. The line includes single, double, triple and quad configurations and mounting options such as swivel, fixed, becket and cam cleat to cover mainsheet, jib, vang, cunningham, outhaul and other control line applications. Designed as companions to Harken’s other block lines, Carbo Air blocks combine durable construction, low friction and high load capacity for dependable performance in sailing and boating use.