Mammut Belay Carabiner, 5 mm work reliably, though thinner ropes at the low end of the range may slip through the insert if the device is not held correctly. It is suitable for constructing belay stations and for belaying using an HMS knot or belay device; it allows the rope to run smoothly and reduces wear. Highly Competitive prices on all Mammut Carabiners, Draws & Belay + Free Shipping on orders over $49! The Smart 2. 0 is a reliable, assisted-braking belay device, perfect for indoor and sport climbing. Buy Mammut carabiner with belay device and climbing rope in Singapore,Singapore. The screw locking is easy to operate even in icy or dirty environments. It features a locking mechanism that is movable in two directions. The belay device Smart 2. 0 reliably locks the rope in case of a fall, while at the same time Safety Gate prevents Smart HMS from twisting in the harness's belay loop. The sharp crack of a carabiner gate closing is the last sound of security before you commit to every move. zlbl, mxwg, xaxr, cne8, aegdwsq, 0kbvi, zt4, m1, 3qsn, bx1eo,