Mammut Crag Keylock Carabiner

The keylock nose eliminates the small hook found on traditional carabiners, which prevents the nose from snagging on your rope, harness gear loops, or bolt hangers when you are clipping or cleaning a route.

The bent-gate is specifically designed for the rope-end of a quickdraw. Its shape guides the rope into the carabiner more easily, making it faster and smoother to clip while you are mid-climb.

Hot-forging allows Mammut to distribute metal exactly where it is needed for strength while removing it from non-critical areas. This results in a carabiner that is durable and strong enough for sport climbing without adding unnecessary weight to your rack.

While it is optimized for sport climbing, its strength ratings are robust enough for many trad applications. However, keep in mind that its size and gate shape are specifically tailored for the quick, repetitive clipping required on sport routes.

The gate opening is 25mm. This is a standard size that easily accommodates most modern single ropes, though it may feel slightly tight if you are using a very thick, older gym rope.