3M DBI-SALA Rollgliss Technical Rescue, Noworries 8700068 Single Stop Descender, Single Rope, , Anodized Red Aluminum, Suits 7/16"-1/2" Rope A simple single stop controlled descent device that easily regulates friction and provides a smooth descent in varied conditions Ideal for general industrial descents and rescue lowering operations The handle acts as a dynamic variable friction lever, capable of going from a complete stop to complete go, allowing the user to regulate the descent providing greater flexibility with larger loads The self-braking system allows you to stop the descent if you let go of the handle and protects you if you were to become unconscious during a descent NoWorries single rope, single stop descender, anodized red aluminum, suits 105-13mm rope