Adjust your lineman’s rope or tether with ease with this simple and innovative rope clamp!
The Kong Duck is an innovative rope clamp designed for use with single ropes with diameters between 8 mm and 13 mm.
Easily attached with only one hand.
A mechanical ascender, the Kong Duck combines the functional adjustability of a prusik knot with ease of use and dependability.
The Duck slides freely in one direction, but it grips the rope tightly in the opposite direction.
Big hole allows the locking connectors to rotate
Outer radius of carabiner hole allows for predictable, consistent performance on rope for climbing
Completely surrounds the rope for safety
Certified CE EN 567:97
This is not a fall-restraint device. Never allow slack in your rope while using this device.
For more information including safety and usage guidelines please see: