ISC D4 Descender 11mm Size:Default Hot forged and CNC machined

Hot forged and CNC machined from heat treated

Weight: 85g (S) / 140gm (L)

ZIGZAG allows the user to work in compliance with the ANSI Z133 standard

Major axis: 24 kN

ISC D4 Descender 11mm Size:Default Hot forged and CNC machinedISC 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