Unlock the rope and control the descent with the hand on the free end of the rope
Position himself at the work station without having to tie off the device
The automatic return system on the handle limits risks in case of an involuntary action by the user
Handle storage position reduces the risk of snagging when the descender is being carried on the harness
The gate on the moving side plate helps prevent dropping the device and facilitates rope installation when passing intermediate anchors
Pivoting cam facilitates taking up the slack in the rope. Can also be used to make a progress-capture haul system, and for short ascents (in conjunction with a Petzl Footape or Footcord foot loop and an Petzl Ascension handled rope clamp)
Lowers heavy loads up to 220 lbs (200 kg) (only for expert users; consult the Instructions for use for the device at www.petzl.com)