ART Lockjack Sport Basic Helmets or fewer holes for less

or fewer holes for less friction

Rated to 15kN

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

and is hard-coated for extended wear

360 grams operating weight

ART Lockjack Sport Basic Helmets or fewer holes for lessThe 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