DESENDERS are for both Work-at-Height and Rescue, Access from above is preferable because it allows one to take advantage of the Force-of-Gravity to Save Energy. DESENDERS are designed to help Regulate Friction and Control-the-Descent on a Fixed Rope. They allow a Worker to Position them self at Any-Point on the Rope. Some DESENDERS can also be used to Belay-a-Leader using Lead Climbing Techniques.
The PETZL I'D Self-Breaking DESENDER is designed for Rescue-Use and Lacks a Gated Attachment Hole. The I'D DESENDER has a Multi-Functional Handle that allows the user to: Unblock the Rope and Control-the-Descent with the hand on the free end of the rope, Move-more-Easily on Horizontal or Low-Angle Terrain, thanks to the Button-on-the-Handle, Get-into-Position without having to Tie-Off the Device. The I'D DESENDER has an Anti-Panic Function that engages if the User Pulls-too-Strongly on the Handle it will Brakes-and-Stops the Descent Automatically.
An Anti-Error Safety Catch Reduce-the-Risk of an Accident due to Incorrect-Installation of the Device on the Rope. The Shape-of-the-Cam is designed to Improve Rope Glide when Ascending. The DESENDERS Pivoting Cam Facilitates Taking-Up-the-Slack in the Rope. The DESENDER allows Lower-Heavy-Loads up to 600lbs (272 kg) Note: only for expert users, consult the Included Instructions for Use for the Device. The I'D DESENDER weighs 18.7oz (530g) and has a CE EN 341 class A NFPAQ 1983 General Use Certification. The I'D DESENDER is Red and Black in Color and is covered by a 36 month limited warranty.