ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes 3kN - Not PPE

3kN - Not PPE

The benefits of this is that you never have slack in your rope while ascending and it's easier than hauling yourself up

» preformed

- steel construction for improved durability

taper-ground curved blade with an impulse-hardened non-set tooth design

ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes 3kN - Not PPEThe 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