Harken Double Blocks

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features Single fixed: Integral...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications Sheave diameter: 1...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications Sheave diameter: 1...

Use Footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV...

The carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications Sheave diameter: 2...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications Sheave diameter: 2...

T2 blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. T2 doubles feature composite line guides that are integrated into the block head. They prevent the block from capsizing by pushing the lashing line...

Midrange Block's robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. Specifications Sheave diameter: 3" (76...

Low-friction Bullet Blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Specifications Sheave diameter: 1...

The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race. Specifications Sheave diameter: 5/8" (16 mm)...