Descender / multi-purpose insurer alloy Hot forged:
With two holes, the upper one for anchoring and bottom for attaching the lunge for rappelling.
It can be used with single rope, double rope and twin ropes.
It allows independent recovery and self-locking of one or two seconds.
It allows rappelling, keeping parallel and separate strings.
The two hollow lower braking allow to place the strings to modulate the rate of descent in double rope.