Manually operated descender device INDY EVO PLUS particularly suited for works at a height ( EN 12841-with a static or dynamic rope) and for emergency self evacuation (EN 341-with a static rope of diameter 11 mm until 150 kg) . Double auto-locking system locks both when the lever is released or when it is pressed. Suited for use with static (EN 1891) and dynamic (EN 892) ropes.