Revolutionary ascender that can also be used for rappelling. Classic ascender, that through the introduction of the plate on the body can also be used for rappelling. This solves one of the problems that often arise in the use of ascenders, which have always been designed and functional to climb up, but which become difficult to unlock and which do not allow the double phase. It is enough to insert the rope under the cam into the plate, insert a carabiner, unload the weight for a moment to open the cam, and start the descent as with a normal plate.Used, also in expeditions, to go up on fixed ropes, it can also become the descent system on these same ropes. The large ring at the bottom allows it to be connected with the harness. Ergonomic and spacious handle easy to use even with gloves. Practical ring on the cam to facilitate the manipulation and help unlocking. Activities: climbing Materials/construction/technologies: aluminum Certifications: CE EN 567, UIAA 126-2, CE EN 12841 - type... Use as either an ascender or descender, the Grivel A&D is a multifunctional, easy to handle rope device. The device offers a revolutionary and innovative patented in-built descender system, which allows for a quick and safe transition from heading up to going back down the rope.The integrated belay plate allows for a safe descent and negates the need to change device. Its ergonomic rubber grip ensures easy and comfortable handling and the use of lightweight materials ensures the A&D is seriously light weight. All componentry is also compatible for use with gloves. Choose from the right or left-handed device.