ISC D4 Descender

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The D4 is rated for 2 person rescue without a supplementary brake. The operator can tail the rope over the nose of the device or the traditional side wave to give 2 different frict ion rates through the device. The cam can easily be "thumbed"for easy tailing of rope on inclines or when approaching the edge. Like all ISC product, it is tough as nails! It is approved to EN12841, ANSI Z359, NFPA 1983- meets the requirements of EN341. It has a 5kN slip load and is rated to a maximum operator weight of 240kg. Available for immediate shipment! Show more