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ISC D4 Work/Rescue Descender


Only available in Black at present.

The NEW D4 work/rescue descender features a unique and innovative progressive cam action, which offers precise control at slow or fast speeds. The progressive cam works by way of one cam operating inside another cam, to provide a mechanical advantage and smoother control.

The D4 has a 240kg working load limit which means it is suitable for two-man rescue, without the need for the creation of extra friction.

The handle mechanism is designed to rotate through 360, and is made from aluminium (rather than plastic), and is coated in a specialist paint which provides extra grip. Cleverly this rotation is accompanied by audible clicks which help the user identify the correct position of the handle.

The D4 is a double-stop device with an auto-lock function which is activated whenever the operator lets go of the handle.

  • Weight: 655g
  • Rated load: 240kg
  • Rope size: 10.5-11.5mm EN1891 Body material: Aluminium
  • Finish: Anodised
  • MBS: 16kN

Conformance: EN12841, ANSI Z359, NFPA 1983

Available Options:
This product was added to our catalog on Thursday 22 October, 2015.
Currently viewing:  ISC D4 Work/Rescue Rope Descender
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