Harken Blocks

Black Magic Runner Blocks are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated side plate ...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

T2 blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. The 18 mm block features stainless steel...

High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “head knockers” on dinghies and beachcats for...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Zircon blocks are the most efficient small boat blocks Harken has ever made. At the core of Zircon performance are industrial ceramic ball bearings...

The high-strength composite T2™ is the first block with no metal shackles or rivets. All T2 blocks route the attachment line through the block head...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

2.3 Ton Loop Snatch Block These multipurpose blocks are a must on racing yachts of all sizes. Opening sideplates make them easy to deploy, allowing...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Sheave Ø (mm)40 mm Length (mm...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Deck organizers lead halyards and control lines aft, allowing crew to sail from the security of the cockpit. They lead a large number of lines thro...

Zircon blocks are the most efficient small boat blocks Harken has ever made. At the core of Zircon performance are industrial ceramic ball bearings...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

The high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveller controls, mainsheets and vangs, casca...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

New to 2023's Harken Range the 45MM Black Magic Air Blocks Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. T...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

Use Black Magic foot blocks to redirect lines on the deck. Either metric or imperial flathead fasteners may be used for mounting and are not expose...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly t...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are use...

Black Magic High Load HL Blocks The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-pack...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

The Carbo Ratchamatic Power3 is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the rat...

The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet a...

The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet a...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Glass reinforced nylon body w...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these smal...

Deck organizers lead halyards and control lines aft, allowing crew to sail from the security of the cockpit. They lead a large number of lines thro...

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

Zircon blocks are the most efficient small boat blocks Harken has ever made. At the core of Zircon performance are industrial ceramic ball bearings...

The high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveller controls, mainsheets and vangs, casca...

Stand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications ...

When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing throug...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very ro...