Strong, dependable and exceptionally free running, these blocks are the foundation of the Harken® line, with a vast library of hardware choices available to complement your boat’s style. Classic blocks come in multiple sizes, dozens of configurations and are ideal for almost every trimming task.

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable.These are features all sailors look for when choosing sail controls and a real breakthrough in block design. Companions to Harken’s® popular Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows.