ART Lockjack Sport with Swivel Size:11-12mm / 12-13mm even being employed as a

even being employed as a stand alone item in MA hauling systems

having no handle screws

The Big Shot is essentially a giant

Small offset D shape provides a very lightweight but strong connector

Reference(s) L22 040

ART Lockjack Sport with Swivel Size:11-12mm / 12-13mm even being employed as aThe 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