ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes Treegears' Take

Treegears' Take

Using felling aids to fell trees

The shape makes for effective centring of loads and the fully rounded rope bearing areas increase carabiner and rope longevity

Also certified to NFPA 1983 (2012 ED) Class G

Attachment points: attachment point

ART Lockjack Sport Basic Size:Suits 11mm-13mm ropes Treegears' TakeThe 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