ART Lockjack Sport with Swivel Carabiners - Steel Locking Of course Pfanner focused on

Of course Pfanner focused on long-living

maximum working reach is 21 feet

with a special "V shape" ergonomic structure

double rope rope ascender

Low surface friction allows textile ropes to move efficiently

ART Lockjack Sport with Swivel Carabiners - Steel Locking Of course Pfanner focused onThe 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