Courant A-B climbing descender. This descender has been designed for people working with ropes, special forces and rescue teams. It can bear the weight of two people. It is possible to switch from 1-person mode to 2-person mode without opening the device and without unhooking the harness. This fact renders it ideal for rescue operations. It is equipped with an anti-panic system. Used on ropes 10.5 to 12.5 mm. Technical Information: • Certification: CE, EN 12841-C