Constrictor Textile Rope Clutch 12mm

  • Model: CT312P001
  • Manufactured by: Ronstan


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Constrictor® Textile

Rope Clutch
Unlike conventional clutches the Constrictor® system does not crush the rope between two metal surfaces. Instead, the loaded rope is held securely in a textile sock, itself attached to an anchor base. The rope runs freely through the sock in one direction, but is gripped instantly within the sock when running out in the opposite direction. This patented “constrictor effect”, provides increasing holding power as the load increases.

Stronger and Lighter
Twice the holding power and a third of the weight of conventional rope clutches.

No Line Abrasion or Rupture
The textile sock closes like an octopus on the line. The extraordinary grip is the result of fibre-to-fibre contact that is far less aggressive than a traditional metal cam, but much more effective

Release Under Load
The line can easily and safely be released under load without the use of a winch, simply by pulling the lanyard.

Remote Release
The Dyneema® lanyard can be extended to offer remote release; to reduce spar compression and minimise halyard creep.


  • 2 x Holding power of conventional rope clutches
  • 3 x Lighter than the conventional rope clutches
  • No point loading, abrasion or rope cover rupture
  • Easy release under load
  • F - (Combined base unit & sleeve length) 787mm (31")
  • LOA=1210mm (47 5/8")

  • Rope Ø - 12 mm
  • A - 58 mm
  • B - 126 mm
  • C - 36 mm
  • F - 787 mm
  • B. L. - 1530(Ø10) / 2850(Ø12) kg
  • L.O.A. - 1210 mm
  • Weight - 330 g

  • This product was added to our catalog on Wednesday 28 August, 2019.

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