Clew Blocks

Southeast Sailboats offer a wide range of clew blocks – so whether you use a clew hook, shackle or fixed block we have a solution based around 5 different block types:

  • Harken 18mm T2 Soft Attach Carbo Block
  • Harken 29mm T2 Soft Attach Carbo Block – the ultimate solution
  • Allen 20mm Dynamic Tii block
  • Ronstan 20mm Orbit block
  • Harken 16mm ‘Air’ block

We also sell the blocks, Dyneema loops, shackles and hook individually.

Harken 18mm Solutions

These unique clew blocks use Harken’s 18mm T2 Carbo Block securely attached with a Dyneema loop.  Choose from block with Harken clew hook, block with shackle or, if you already have a hook or shackle we offer just the block/loop.

Harken 18mm Block and Captive Shackle
Harken 18mm Block and Captive Shackle
Harken's 18mm T2 Carbo Block securely attached with a Dyneema loop
£24.95
Harken 18mm Block with Harken Hook
Harken 18mm Block with Harken Hook
Harken's 18mm T2 Carbo Block securely attached to Harken Hook with a Dyneema loop
£32.50
Harken 18mm Block with Dyneema Loop
Harken 18mm Block with Dyneema Loop
Harken's 18mm T2 Carbo Block with a Dyneema loop
£20.50
Harken 18mm Block with Toggle
Harken 18mm Block with Toggle
Harken's 18mm T2 Carbo Block with a toggle for attachment at the sail clew. The toggle is a tight fit through the loop - it is not designed for easy removal so shouldn't be used as a quick release, but as an alternative to tying on a block
£23.95
Line Colour :
Harken 29mm Solutions

These unique clew blocks use Harken’s 29mm T2 Carbo Block for the ultimate in performance. Choose from block with Harken clew hook, block with shackle or, if you already have a hook or shackle we offer just the block/loop.

Harken 29mm Block and Captive Shackle
Harken 29mm Block and Captive Shackle
Harken's 29mm T2 Carbo Block securely attached with a Dyneema loop
£29.95
Harken 29mm Block with Harken Hook
Harken 29mm Block with Harken Hook
Harken's 29mm T2 Carbo Block securely attached to Harken Hook with a Dyneema loop
£35.95
Harken 29mm Block with Dyneema Loop
Harken 29mm Block with Dyneema Loop
Harken's 29mm T2 Carbo Block with a Dyneema loop
£24.95
Harken 29mm Block with Toggle
Harken 29mm Block with Toggle
Harken's 29mm T2 Carbo Block with a toggle for attachment at the sail clew. The toggle is a tight fit through the loop - it is not designed for easy removal so shouldn't be used as a quick release but as an alternative to tying on a block
£28.95
Line Colour :
Harken 29mm Block with Allen Dog Bone
Harken 29mm Block with Allen Dog Bone
Harken's 29mm T2 Carbo Block with an Allen dog bone for attachment at the sail clew. The dog bone is a tight fit through the loop - it is not designed for easy removal so shouldn't be used as a quick release but as an alternative to tying on a block
£28.95
Line Colour :
Harken 29mm Block with Tylaska
Harken 29mm Block with Tylaska
Harken's 29mm T2 Carbo Block with a Tylaska dog bone for attachment at the sail clew. The dog bone is a tight fit through the loop - it is not designed for easy removal so shouldn't be used as a quick release but as an alternative to tying on a block
£34.95
Line Colour :

Allen 20mm Solutions

These unique clew blocks use Allen’s 20mm Dynamic Tii Block securely attached with a Dyneema loop as a cost effective option. Choose from block with Harken clew hook, block with shackle or, if you already have a hook or shackle we offer just the block/loop.

Allen 20mm Block and Captive Shackle
Allen 20mm Block and Captive Shackle
Allen 20mm Block securely attached with a Dyneema loop
£18.50
Allen 20mm Block with Harken Hook
Allen 20mm Block with Harken Hook
Allen 20mm Block securely attached to Harken Hook with a Dyneema loop
£24.50
Allen 20mm Block with Dyneema Loop
Allen 20mm Block with Dyneema Loop
Allen 20mm Block with a Dyneema loop
£13.50

Ronstan 20mm Solutions

These unique clew blocks use Ronstan’s 20mm Orbit Block securely attached with a Dyneema loop as a cost effective option. Choose from block with Harken clew hook, block with shackle or, if you already have a hook or shackle we offer just the block/loop. There is also a version that loops through the sail clew.

Ronstan 20mm Block and Captive Shackle
Ronstan 20mm Block and Captive Shackle
Ronstan's 20mm Orbit Block securely attached with a Dyneema loop
£19.50
Ronstan 20mm Block with Harken Hook
Ronstan 20mm Block with Harken Hook
Ronstan's 20mm Orbit Block securely attached to Harken Hook with a Dyneema loop
£25.50
Ronstan 20mm Block with Dyneema Loop
Ronstan 20mm Block with Dyneema Loop
Ronstan's 20mm Orbit Block with a Dyneema loop
£14.50
Ronstan 20mm Block with Toggle
Ronstan 20mm Block with Toggle
Ronstan's 20mm Orbit Block with a toggle for attachment at the sail clew. The toggle is a tight fit through the loop - it is not designed for easy removal so shouldn't be used as a quick release, but as an alternative to tying on a block
£19.50
Line Colour :

Harken 16mm Solutions

Traditional solution using Harken 16mm ‘Air’ blocks. Choose from block with Harken clew hook or block with shackle.

Harken 16mm Air Block and Captive Shackle
Harken 16mm Air Block and Captive Shackle
Traditional Harken 16mm Air Block and Captive Shackle
£19.50
Harken 16mm Air Block with Harken Hook
Harken 16mm Air Block with Harken Hook
Traditional Harken 16mm Air Block with Harken Hook
£24.00

Individual Components

Toggle with Strop
Toggle with Strop
Make your own clew block with this pre-spliced toggle and strop. If you want to use this with a Harken 18mm or 29mm Carbo Block we recommend selecting it with the soft eye (just above the toggle). When assembling the strop and block, the soft eye enables the strop to be threaded back through itself at the head of the block, ensuring that there is no stress at the head of the block. Supplied with fitting instructions. Note that the block is NOT included.
£8.50
Eye for Harken 18mm/29mm Block Fitting :
Line Colour :
Allen Dog Bone with Strop
Allen Dog Bone with Strop
Make your own clew block with this pre-spliced Allen dogbone and strop. If you want to use this with a Harken 18mm or 29mm Carbo Block we recommend selecting it with the soft eye (just above the toggle). When assembling the strop and block, the soft eye enables the strop to be threaded back through itself at the head of the block, ensuring that there is no stress at the head of the block. Supplied with fitting instructions. Note that the block is NOT included.
£8.50
Eye for Harken 18mm/29mm Block Fitting :
Line Colour :
Tylaska with Strop
Tylaska with Strop
Make your own clew block with this pre-spliced Tylaska dogbone and strop. If you want to use this with a Harken 18mm or 29mm Carbo Block we recommend selecting it with the soft eye (just above the toggle). When assembling the strop and block, the soft eye enables the strop to be threaded back through itself at the head of the block, ensuring that there is no stress at the head of the block. Supplied with fitting instructions. Note that the block is NOT included.
£16.50
Eye for Harken 18mm/29mm Block Fitting :
Line Colour :
Harken 433 Clew Hook
Harken 433 Clew Hook
Harken's clew hook as supplied with new Lasers
£12.95
Allen A6076 Shackle
Allen A6076 Shackle
Shackle with captive twist pin, ideal for use at the clew
£5.95
Dyneema Loop for Attaching Blocks
Dyneema Loop for Attaching Blocks
Small Dyneema loops for attaching 'soft attach' blocks to a clew hook or shackle.
£3.95
Size :

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