Innovative ultra-compact emergency rope clamp. Designed for single ropes with a diameter between 8 and 13mm, Duck also works on slings mod. Yaku Vario and Aro Sling Tubular. Very small in size, it is easy to insert even with one hand. In addition, the large attachment hole also allows the rotation of the locking carabiners. Duck was born as an emergency ascender useful in recovery maneuvers, self-rescue, progression in preserves and as a regulator for lanyards or webbing. Available set consisting of Duck + OVAL ALU screw connector (# 888SET001KK) High quality product, completely made in Italy!