ISC D4 Descender Size:One Size TRIACT-LOCK System: An automatic locking

TRIACT-LOCK System: An automatic locking system that provides an extra layer of security with a quick

as well as flat anchor straps like the Petzl CONNEXION

On a complex job site

ensuring your team is fully compliant and protected the moment they suit up

ISC D4 Descender Size:One Size TRIACT-LOCK System: An automatic lockingWhen youre suspended on a line, you need a descending device that feels intuitive and stays in your control. The ISC D4 stands out because it doesn't just offer a smooth rideit offers a safety net. With its unique "double stop" brake, the device will lock up if you let go or if you panic and pull the handle too hard. Its a robust, "human proof" tool designed for professionals who prioritize precision and peace of mind during complex rope access