The Petzl SHUNT works as a rappel back-up, replacing self-jamming knots like the Prusik. Works on single and double ropes.

Easy to fit correctly to the rope
Smooth clamping surfaces won't damage your rope
Can be used to ascend either single or doubled rope.
Weight: 188 g
Material: aluminum frame
For use on single ropes 10-11 mm or double ropes 8-11 mm