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We stock a large variety of ascenders & descenders that range from simple fixed products to more complex ascent and descent systems. Our range includes brands such as ISC, Petzl, 4SRT, ART, Climbing Technology and Stein.
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Mechanical Prusik with high-efficiency swivel, for tree care
The ZIGZAG PLUS mechanical Prusik allows the user to move around efficiently in a tree using classic Prusik pulley system technique. The friction chain provides precision and fluidity when moving around. The pulley is mounted on sealed ball bearings to allow the slack to be taken up easily. Can be used on either doubled ropes or a single rope, providing great versatility. The lower attachment hole with high-efficiency swivel ensures stable and correct positioning of the mechanical Prusik and optimal rope glide through the device.
For use with ropes in accordance with EN 1891 from 11-13 mm. With the SpiderJack, unlike with the LockJack, there is no need to change the rope grab for ropes from 11 to 13 mm diameter.
The STRW enables Single Rope Technique (SRT) climbing, minimises slack in the system, ensures consistent friction, allows 1:1 efficiency, allows simple re -directs and can easily be set up on multiple limbs.