As Black Diamond???s largest Twistlock carabiner, this model both opens wide with its curved spine and securely holds onto your belay loop during climbs. As you move, its keylock nose firmly stays in place, without catching on bolts or your gear.
Locking carabiner with an auto-lock gate and a keylock nose that won???t snag
Ideal for using gloves, two ropes, and various rappelling and belaying techniques
Curved spine gives you a wider opening
When opened, the carabiner uses its square hinge to hold belay ropes in place