ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes The double braid construction rope

The double braid construction rope slings has a 150mm long factory spliced eye in one end

NFPA 1983 Technical Use

Hot forged I-Beam body provides the backbone of this super strong featherweight

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

ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes The double braid construction ropeThe 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