Auto-locking single rope descender and belay device. Can also be used as chest
ascender. Two locking positions are engaged by under or over extension of the
release handle for maximum safety.
Descent speed can be controlled up to 2 m/s. Maximum working load: 150 kg.
For ropes of 11 mm in diameter.
2013 UPDATE:EN 12841/C certified lowering equipment within the range for
work suspended from a rope.