ART Lockjack Sport with Swivel Harness Accessories Designed for heavy duty

Designed for heavy duty

This is different from the conventional dDRT (double rope technique) configuration of 2:1

Set the Adjustable Friction Saver:

We can create one off

Cam/Lever mechanism totally housed in the body

ART Lockjack Sport with Swivel Harness Accessories Designed for heavy dutyThe 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