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Soft shackle in Dyneema® wiht friction ring | Block-shackle® friction


The Block-shackle® friction is a coated Dyneema® textile shackle designed for low-friction rings.

It is supplied with the locking ring, a product of the Plug and Sail™ range.

Materials: Dyneema® / UHMWPE / Aluminium / Duralumin

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The Block-shackle® friction is a heavy-duty sheathed Dyneema® soft shackle with a low-friction ring in hard anodized Duralumin

This product is supplied with a friction ring and an orange cord for fitting.

+ Uses

  • Textile shackle for rings, easy to install and designed for heavy static loads / dynamics
  • To guide, deflect and haul any ropes, sheets for genoas, spinnakers, drum bosses barber-hauler and running backstay and many other applications.
  • A perfect product  to move your hauling and reefing points quickly
+ Use
+ Spreadability
  • Repairability category 3

Repairability index - (Link to explanatory table)

Find all the information on the load forces according to the deflection angle HERE

Data sheet

  • T-bône® fastener, Aluminium
  • Shackle®, core and sheath made of 100% Dyneema® sk 78 12fx pre-stretched, coated ¬ Light grey / black
  • Block®, clamping and holding ring, made of flexible TPE thermoplastic which can quickly lock and fix a low-friction ring.
  • Nodus Factory low friction ring™ made of Self-lubricating technical plastic resin ¬ black or FrD ring in duralumin ¬ grey / orange

Product Details

Designation Breaking Load Sail Area  Rope Ø Length Internal Ø
Rope Ø
Ring 40 Nds Sk 78 closed Ring recommended

M2 ≥ 60°

Coef 2

mm cm mm mm
BS FrP10  9 25 4/9 9 9 6/8
BS FrP 14  12 33 5/10 10 13 8/12
BS FrP 20  16 44 7/13 11 19 12/14
BS 10 FrD HL 15 41 4/9 9 12 4/8
BS 14 FrD HL 18 49 5/10 10 16 8/12
BS 20 FrD HL 50 130 7/13 11 24 12/20


  • Requires no splicing, easy and quick to move
  • The Block® ring holds the textile strands parallel to uniformly and optimally distribute the working loads on the ring.
  • Coated textile shackle resistant to chafing and UV

Nodus and tricks

  • Use the Block-shackle for your strap pulleys.
  • Check the breaking load of the rings used

The Block® rings are clamping and holding rings, for pulleys and rings with low friction, on textile loops and with Nodus Factory shackles.