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Universal adjustable Shackle

T-close K, multi-use universal textile shackle with adjustable loop. Usable in numerous situations, the "Swiss Army knife" of your boat.

This product is delivered with a Nodus Factory friction ring (with the exception of the T-close shackle K2 & K8).

K3 Friction ring Fr14®

K5 Friction ring Fr14®

K6 Friction ring Fr20®

See features below
Product Name
Option Protect Coating®

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The K  universal soft shackle, with Adjustable Loop is easy to use, very lightweight and withstands heavy loads.
This product can be customized.

+ Uses
  • Multi-purpose, universal adjustable shackle for pulleys, boom, sheets, halyards, sails, lazy-bag, etc.
  • Adjustable loop length; slide the T-close cleat and lock with the Grip© knot
  • Easy to install and open, even after heavy load
  • Reliable, maintenance-free

Data sheet

  • T-close® fastener ¬ Glass-fibre reinforced PA
  • Rope 100% Dyneema R2 pre-stretched, coated ¬ Light grey/black
  • Strength certified by Veritas

Product Details

Product NameBreaking LoadAdjustable loopØ SheaveWeightSail Aera
Straight Mini/maxi Pulley 40 nds
kg cm mm gr
K2 380 1/7 15/30 2 10
K3 750 2/9 30/40 4 21
K5 1900 3/10 40/50 14 52
K6 2600 4/12 50/60 26 71
K8 4800 5/17 60/70 56 132


  • Multi-usage through its adjustable loop
  • Locking secured under load and at no load
  • Structural ending: it can be used as a loop for taking up force ¬ fastening in lark’s head knot or Prusic/Machart knot
  • Highly resistant to UV
  • Excellent resistance to chafing
  • No corrosion

Nodus and tricks

  • Can easily resolve a sheet winch jam (see Nodus Factory YouTube tutorial)