D4 Descender

ISC D4 Work & Rescue Descender


The new D4 Work and 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.

SKU: DSID4 Categories: , Tags: , ,
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  • Has a 240kg (500lbs) working load limit which means it is suitable for two-man rescue, without the need for the creation of extra friction.
  • Handle mechanism is designed to rotate through 360º making its use easier and simpler.
  • Aluminium handle.
  • Double-stop braking gives “dead-hand” and panic braking.
  • Designed for work positioning & industrial abseiling.
  • Also for use in rescue kit as a lowering device.
  • Graduated control of friction.
  • Rope size 10.5 – 11.5mm
  • Weight 655 grams
  • EN 12841, NFPA 1983

Additional information

Weight 0.9 kg
Dimensions 21 x 11 x 10 cm


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