Blocks

This 16mm Single beckett block is one of the smallest blocks made by harken. On the RS Aero, it is part of the vang system.

This 30mm Extreme High Load block from Allen is designed specifically for high load applications like the ILCA vang that require frequent adjustment. With a vang key installed, you're ready to amp up the power in your control systems after a quick swap.

Classic large traveler block for the ILCA. Allen Part # A278-74 LP Part # 91043

Classic boom clock with becket for the ILCA. Allen Part # A.378 LP Part # 90673

Opti Pennant, 4:1 with harken fiddle block and trigger snap. Two spliced loops: one luggage tags to the trigger and the other is fixed to the fiddle block.  

Block, 30mm Cheek

The Selden Ball Bearing Block, BBB30, is used when loads are moderate and dynamic. The ball bearings provide low friction sheave rotation with less vibration. This style Ball Bearing Block from Selden is available in 20, 30, 40, and 60 mm sheave...

Selden Ball Bearing Blocks (BBB) are to designed give you great bearing strength under moderate and dynamic loads where good sheave rotation and minimal friction are desired.The lightweight 30mm series features stainless steel ball bearings with...

Block, 30mm Standing Swivel

The Selden auto ratchet blocks are ideal for dinghy mainsheet and spinnaker sheet block. The block makes it easy to advance your grip and offers the perfect combination of control and convenience for trimming in any sailing conditions. The sheave...

Ratchet Block With Base RS Sailing Part # QUE-HF-401

The Selden Ball Bearing Block, BBB30, is used when loads are moderate and dynamic. The ball bearings provide low friction sheave rotation with less vibration. This style Ball Bearing Block from Selden is available in 20, 30, 40, and 60 mm sheave...

Block, 30mm Dynamic Allen Part # A2030

Block, 29mm with Clip Allen Part # A178-74 LP Part # 91245

Aluminum block for the classic ILCA vang. LP Part # 90671

Aluminum jam block for the classic ILCA vang.

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,...

Double Block w/ Hook

The SHeaveless blOCK! The shock is the obvious choice for control line deflections and purchase systems that require a lightweight high load capacity block. Several attachment options, including webbing, pigtail, lashing and dyneema links.    

 Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.Can be fitted with a shackle in either of two planes to allow correct alignment of the block. Zim Applications ...

Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. This block has a low profile swiveling hook for quick and easy attachment. Stainless steel ball bearings UV stabilised...

This swivel block is used for the turning block on the mast and deck for Byte and Megabyte control lines. Stainless steel ball bearings UV stabilised Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant,...

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. Harken Part # 2149

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. Harken Part # 2644

Block, 40mm Autoratchet

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,...

Allen 20mm dynamic block. Length: 37mm Line diameter: 2.5-6mm Breaking load: 540kg Maximum dynamic load:115kg Weight: 11.1g Allen Part # A2020 LP Part # 91042

WORKING LOAD 280 LBS BRAKING LOAD 850 LBS LINE UP TO 6 MM WEIGHT 0.8 OZ SHEAVE 20 MM

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. Harken Part # 352

The 20mm stand up block is now standard in the Zim C420 as a lead for the boom vang control line. It makes a great upgrade from the former fairlead and can be used for a number of other applications as well.   

Compact blocks have very high working loads for safe, easy trimming. Harken Part # 350

75mm Rachet Block Harken Part # 2670 LP Part # 91283

Harken fiddle block with 22mm sheaves and jam cleat. Used in 3:1 vang systems.   Harken Part # 244 LP Part # 91330

Harken 22mm becket block.  Harken Part # 225A LP Part # 91336

Limited Swivel Block for 420 Halyard  LP Part # 91250

Ronstan wire halyard jib halyard block designed for a smooth hoist every time. LP Part # 91282

Low-friction Micro blocks are compact and lightweight. They are ideal for lightly loaded control lines on boats of all sizes. Zim Applications C420: vang cascade and 2:1 control, centerboard uphaul Club Opti: sprit halyard   Harken Part # 224A LP...

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming. Zim Applications C420/CFJ: spin sheet block, outhaul block on boom   Harken...

This low-friction through-deck Micro blocks is compact and lightweight. Zim Applications Centerboard uphaul: C420, FJ     Harken Part # 242 LP Part # 91334

The fiddle block is used for the mainsheet in our World Wide Sailor Pram. It is a plainbearing Windesign injection molded block, featuring nylon cheeks and acetal sheaves. It is lightweight and can be used with any small dinghy or pram, and it works with...

Up to 20:1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Automatic & manual ratchet block Sheave...

Block, Opti Pennant

Block, 40mm with Trigger Harken Part # 2650Special

The T18™ complements the T2™ line. At 7.2 g (.25 oz), it ties, splices, lashes anywhere—perfect for downhauls, outhauls, and other lightweight control systems on dinghies. Harken Part # 2698

Harken ball bearing hook-in block as used on Blackgold racing masts. Due to the curved saddle the block rests against the mast in a fixed position which prevents mast wear and creates a halyard system with less friction.  Harken Part # EX1351H

Made of durable, flexible PVC, stand-up boots holdblocks up without snagging lines. Fits 40 mm and 57 mm blocks  Zim Applications Opti: mainsheet block Harken Part # 369

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming. Zim Applications Club 420: mainsheet bridle Club FJ: secondary mainsheet block,...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Zim Applications Club 420, Club FJ, Byte, Opti, ILCA: Mainsheet Club FJ: jibsheet  Sheave (in): 2-1/4" Sheave (mm): 57mm Max...