ART Lockjack Sport Basic Helmets The resilient eye which facilitates

The resilient eye which facilitates the retrieval of the pulleySAVER returns to its original position even after a thousand cycles

62% polyamide

It could be used in a multitude of rigging set-ups

heavy-duty

Rated to 15kN

ART Lockjack Sport Basic Helmets The resilient eye which facilitatesThe Lockjack was the first piece of hardware on the market that could totally replace the friction hitches used on climbing lines. Like a Mechanical Prusik, the Lockjack works as both an ascender and as a descender in the doubled rope technique (DdRT). The advantage of the Lockjack is that friction is applied to the rope with a smooth aluminum surface which causes less friction while climbing for an effortless advance, and a smoother more easily