Spiderjack 3 Mechanical Ascender/Descender

The ART Spiderjack 3 Mechanical Ascender/Descender is a heavy-duty and durable climbing device used by arborists to ensure safety and quality performance during ascent and descent procedures. The unique design of this self-blocking rope control device is designed for double rope technique (DRT) climbing systems, allows for smooth gliding when partnered with climbing ropes, and provides the user with efficiency and ease of use, making it a perfect gear for any tree professional. It has a service life of up to 10 years.

High-Quality Construction: The Spiderjack 3 Ascender/Descender is a compact and lightweight mechanical device which is made from high-quality steel material, has an integrated swivel and pulley under the body, and comes with two (2) cams, one is for 11-12mm ropes, the other is for 12mm-4mm ropes, ensuring optimal performance in the field. It is designed to provide ease in speed control during ascent and descent, and has a locking position to securely hold the user during use. This climbing device is compatible with left or right-hand use, has a tensile strength of 4,945 lbs. (22kN), a working load limit of 440 lbs. (1.9kN), and is certified under EN 358, making it a dependable tool for the arborist.