Blocks

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Midrange Hexaratchet blocks grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages ...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Springs support blocks on padeyes, eyestraps, bases, and traveller cars, and prevent blocks from hitting the deck. A (mm) 64 mm A (in) 2 1/2 in ...

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on ...

Midrange Hexaratchet blocks grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages ...

Midrange Hexaratchet blocks grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages ...

Midrange Hexaratchet blocks grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages ...

Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves com...

Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles. Adju...

Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearin...

Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearin...

Aluminium High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying ba...

High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying balls with a...

Aluminium High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying ba...

Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves com...

Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves com...

Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves com...

Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves com...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Snap shackles provide one-handed operation for temporary applications that require speed and easy release. Harken® snap shackles also fit a wide va...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket ...

Made of durable, flexible PVC, stand-up boots hold blocks up without snagging lines. Fits 75 mm Carbo blocks.

Made of durable, flexible PVC, stand-up boots holdblocks up without snagging lines. Fits 40 mm and 57 mm Carbo and Black Magic® blocks. A (mm) 51 ...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Springs support blocks on padeyes, eyestraps, bases, and traveller cars, and prevent blocks from hitting the deck. A (mm) 25 mm B (mm) 19 mm Wei...

Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. ...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, comp...

The 463 U-Adaptor adapts 75 mm Carbo single blocks to swivel bases. Height (mm) 46 mm Weight (g) 136 g Minimum line Ø (mm) 3 mm Maximum line Ø ...

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...

The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by co...

Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impr...

Single swivelling eye pulley  316 stainless steel 32mm solid sheave Working load: unrated

Single upright lead block. 304 stainless steel. 29mm sheave