Petzl Stop Descender Blue. Specifications for Petzl Stop Descender: Manufacturer: Petzl Color: Blue Fabric/Material: Steel and aluminum wheels steel cam Weight: 350 g Rope Diameter Range: 8.5 - 11 mm Climbing Hardware Type: Belay & Rappel Features of Petzl Stop Descender Descent control:- Assisted braking improves control during the descent- Rope maneuvers are made easier when passing intermediate anchors- Compatible with 8.5 to 11 mm diameter low stretch kernmantle ropes Comfort:- The ergonomic handle allows you to easily unblock the rope and lower someone- Handle faces user for better control of rope glide- Design of the handled camming mechanism offers a comfortable descent- Installation diagram engraved on the descender - Safety gate on the openable side plate allows the rope to be installed easily while the device remains connected to the harness- Elongated connection hole allows the FREINO Z carabiner to be rotated to help prevent dropping the descender when transferred from gear loop to attachment point Stainless steel pulley and cam provide great durability Package Contents: Petzl Stop Descender Petzl D009AA00: Stop Descender Blue