The Gold Standard for Belay Security The Black Diamond RockLock Triple Lock is the largest and strongest auto-locking carabiner in the Black Diamond lineup, designed specifically to provide peace of mind during high-stakes belay and rappel transitions. The "Triple Lock" refers to its sophisticated three-stage gate mechanism—requiring the user to slide, twist, and pull to open—virtually eliminating the risk of accidental gate opening. This makes it an ideal choice for instructional settings, multi-pitch anchors, and any climber who prioritizes an extra layer of safety.

Now featuring a redesigned, lightweight forged construction, the RockLock has been refined with a square-end hinge that holds belay loops securely in place. Its large rope-bearing surface ensures smooth rope glide and increases the longevity of both the carabiner and your rope. Despite its robust security features, the gate is engineered for fluid, one-handed operation, allowing you to focus on the climb rather than your hardware.

Key Features:

• Triple Action Auto-Lock: A three-stage gate mechanism (slide, twist, pull) provides the highest level of security against accidental opening.

• Large Rope-Bearing Surface: Optimized for smooth rappelling and belaying while reducing wear and tear on your climbing rope.

• Ergonomic Forged Design: Redesigned for a better grip and a lighter weight without compromising its impressive strength ratings.

• Keylock Nose: A snag-free nose design prevents the carabiner from catching on slings, bolts, or gear loops during critical transitions.

• Square Hinge End: Specifically shaped to keep belay loops oriented correctly, reducing the chance of cross-loading.

• One-Handed Operation: Though highly secure, the gate is designed to be operated efficiently with one hand once the movement is mastered.