HARKEN 29 mm Triple Carbo Air Block - Swivel, 344 Track Fastener_5 HH mm Pull the furling line and

Pull the furling line and the drive unit reacts reflexively to rotate the torsion cable

Main compartment with roll-top

The Harken 40mm Carbo Air® Single Block includes an integral becket that allows either a 2:1 or 3:1 purchase

Low-friction Carbo AirBlocks® are lightweight

and offshore boats to 27 ft (8 m)

HARKEN 29 mm Triple Carbo Air Block - Swivel, 344 Track Fastener_5 HH mm Pull the furling line andThese 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.