Ronstan

Ronstan Constrictor Rope Clutches

Unlike all 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 constrictor effect, patented by COUSIN Trestec, provides increasing holding power as the load increases.

Bi-conical Titanium Base:
Patented by Cousin, the textile sock element is locked in place between a titanium ring and the anchoring base. The unique conical geometry allows easy insertion of the rope, and ensures that the sock is perfectly integrated with the anchor base in supporting the applied load.

Opening System:
Pulling on the SK75 Dyneema® lanyard retracts the sock, relaxing the grip on the rope and allowing it to run freely in either direction. The lanyard can be fixed in the open position using the V-notch in the anchor base.

Used by the Best
You will already find the Constrictor® solution in use on the top Maxi, Mini, Multi, IMOCA and AC72 teams. COUSIN Trestec have developed a trouble-free and ergonomic product that will please anyone looking for the New Generation in rope holding technology.

Ronstan Constrictor Textile Rope Clutch Single - 10mm Rope
Unlike all conventional clutches the Constrictor® system does not crush the rope between two ..
Ronstan Constrictor Textile Rope Clutch Single - 12mm Rope
Unlike all conventional clutches the Constrictor® system does not crush the rope between two ..
Ronstan Constrictor Textile Rope Clutch Single - 14mm Rope
Unlike all conventional clutches the Constrictor® system does not crush the rope between two ..
Ronstan Constrictor Textile Rope Clutch Single - 6mm Rope
Unlike all conventional clutches the Constrictor® system does not crush the rope between two..
Ronstan Constrictor Textile Rope Clutch Single - 8mm Rope
Unlike all conventional clutches the Constrictor® system does not crush the rope between two ..
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