ISC D4 Descender 11mm Anchors & Swivels the end result is a

the end result is a highly functional product with an impressive strength to weight ratio

See also Ocean Polyester Lanyard with ISC Twister Carabiner

Compatible with rope diameter (mm): max 13mm (1/2")

Cam/Lever mechanism totally housed in the body

ISC D4 Descender 11mm Anchors & Swivels the end result is aISC D4 Descender. The NEW 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 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. The handle mechanism is designed to rotate through 360 making its use easier and