Harken Single Blocks

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: 2...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice...

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...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice...

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...

Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features Glass-filled nylon sideplates: Load-carrying curved bearing races Machined hardkote-anodized aluminum sheaves: Strength and...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Specifications Sheave diameter: 2 15/16" (75 mm) Shackle pin diameter: 1/4" (6 mm) Maximum line diameter: 7/16" (12 mm) Maximum working...

The Harken 57 mm Carbo Ratchamatic Block for 10 mm sailing rope with aluminium sheave and frame comes with swiveling shackle that can be locked in place stopping it from twisting if desired. The Carbo Ratchamatic is a load sensing block that feeds rope...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features Glass-filled nylon sideplates: Load-carrying curved bearing races Machined hardkote-anodized aluminum sheaves: Strength...

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...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for. The T2 Loop’s on/off...

The patented T2 Ratchamatic is Harken’s newest block to feature the T2 line’s styling and soft-attachment system. The weight of this high-strength block is only a few ounces. This is thanks to composite fiber-reinforced sideplates,...

The patented T2 Ratchamatic is Harken’s newest block to feature the T2 line’s styling and soft-attachment system. The weight of this high-strength block is only a few ounces. This is thanks to composite fiber-reinforced sideplates,...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for. The T2 can be tied, spliced,...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for. The T2 can be tied, spliced,...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for. The T2 can be tied, spliced...

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...

The V Block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the axial and thrust bearings into a single bearing set of V-shaped titanium rollers. The...

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 and has a 250 lb (113 kg) maximum working load...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features Glass-filled nylon sideplates: Load-carrying curved bearing races Machined hardkote-anodized aluminum sheaves: Strength and...

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 and has a 250 lb (113 kg) maximum working load. Matches...

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 and has a 250 lb (113 kg) maximum working load...

Low-friction micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Specifications Sheave diameter: 7/8" (22 mm) Maximum line diameter: 1/4" (6 mm) Fasteners: 4...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Micro block sheaves run exclusively on ball bearing systems for fast trim and release under...

Low-friction micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Specifications Sheave diameter: 7/8" (22 mm) Shackle pin diameter: 5/32" (4 mm) Maximum line...

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 and has a 250 lb (113 kg) maximum working load...

Harken recommend equipping asymmetric/code zero furling systems with lead blocks for safe furling from the cockpit. These stanchion mounted leads guide furling  line outboard to keep sidedecks clear.   Specification Weight (g) 123...

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. Specifications Sheave diameter: 2 1/4" (57 mm) Maximum line diameter: 3/8" (10 mm) Maximum working load: 500...

Harken recommends equipping every system with Carbo lead blocks for safe furling from the cockpit. The 7404 kit's lightweight, UV-stabilized Carbo blocks run exclusively on ball bearings for fast trimming under any load. It provides a complete system for...

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...

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...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. The 466 features a forkhead and becket making it useful for vangs, halyards and control lines. Specifications Sheave diameter: 1" (25 mm)...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Specifications Sheave diameter: 1 1/2" (38 mm) Shackle pin diameter: 1/4" (6 mm) Maximum wire diameter: 1/8" (3 mm) Maximum line diameter:...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Specifications Sheave diameter: 1" (25 mm) Shackle pin diameter: 3/16" (5 mm) Maximum wire diameter: 3/32" (2 mm) Maximum line diameter:...

Lewmar 40mm Control Single Cheek Block is Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a...