ISC D4 Industrial Work Rescue Descender - Black
The D4 Work/Rescue Descender features a unique and innovative cam action, which offers precise control at slow or fast speeds. The progressive cam works by way of one cam operating inside another cam. +The D4 is the only ANSI certified descender on the market today.
- Weight: 655 grams (23 ounces)
- Strength: MBS 16kN (3597lbf)
- For use with single ropes from 10.5 - 11.5mm (7/16")
- Working Load Rating (WLL): 240kg (551lbs.)
- Certifications: CE EN12841, NFPA 1983, ANSI Z359