Here's what other sites are saying:
The Rack Descender from Petzl updates the classic brake bar descender. The design and configuration of the bars makes it easy to set up and insert the rope. Compact and lightweight, the device allows the user to adjust the amount of friction during the descent to adapt to changing conditions (rope weight, terrain, etc.).
Free Shipping. Petzl Rack Descender FEATURES of the Petzl Rack Descender Allows the friction to be adjusted during the descent according to the weight of the rope: The lower bar is removable and easy to put in place Distributes friction and heat to help preserve the rope Does not twist the rope
Description of Petzl Rack DescenderBrake bar descenderThis rack updates the classic brake bardescender. The design and configuration of the bars makes it easy to set up and insert the rope. Compact and lightweight, the device allows the user to adjust the amount of friction during the descent to adapt to changing conditions rope weight, terrain, etc..FeaturesThe number of bars engaged on the rope may be adjusted at any time to obtain the desired amount of friction Good distribution of friction and heat helps preserve the rope Does not twist the rope Technical specificationsFor use on a single ropes 9 to 13 mm or double ropes 8 to 11 mmStainless steel frameAluminum barsWeight 470 g
- US Outdoor Store
Petzl Rappel Rack - Ultra-light design: 31% lighter than the Reverso, hot-forged aluminum, Weight:57g, Single device for all ropes: single ropes 8.9mm, half ropes 8mm, twin ropes 7.5mm, ARC technology adapts to the diameter of rope used by increasing or decreasing the braking friction on the rope according to its diameter and conditions, Increased friction on thinner ropes, Adapted friction for efficiency with larger diameter ropes, Asymmetrical grooved sidewalls decrease friction when taking in slack for greater ease of use, Super compact design is easy to use and doesn't take up much space on your rack, Rope friendly design separates the twostrands of rope when belaying with half/twin ropes or while rappelling thus helping to prevents kinks, Stiff keeper cable will not get sucked into the device, helps maintain the optimal position during use, and aids in preventing loss during transitions, Usage diagram engraved on device for ease of use, Use with symmetrical shaped locking carabiners (Am'D or OK) to maximize efficiency no matter which end is closest to the device, Weight:57g, Material:Hot forged aluminum body (6082 ALU), For use on: single ropes 8.9mm, half ropes 8mm, twin ropes 7.5mm, Available in threecolors: lime green (D19LI), titanium (D19TI), red (D19R), 3-year guarantee.
- Massey's Outfitters