BLACK DIAMOND RockLock Screwgate or Twistlock Carabiner | Hot-Forged, Lightweight | Keylock Nose | Secure Locking Biner for Belaying & Rappelling

Our largest locking carabiner, the RockLock Screwgate is perfect for belaying, rappelling or anchors, and now features hot-forged lightweight construction, a redesigned spine for better handling, and a larger rope-bearing surface for greater durability.

• AUTO-LOCKING TWISTLOCK SECURITY: Features a quick, automatic double-action gate that locks instantly after clipping. Ideal for climbers who want fast, secure operation during belays, rappels, and anchor transitions.
• HMS SHAPE FOR SMOOTH ROPE HANDLING: Large pear-shaped profile provides excellent rope flow and compatibility with belay devices and Munter hitches. Delivers predictable handling on multi-pitch or top-rope systems.
• SNAG-FREE KEYLOCK NOSE: Keylock geometry prevents catching on harness loops, slings, or bolt hangers. Ensures smooth clipping and unclipping while cleaning routes or building anchors.
• DURABLE HOT-FORGED CONSTRUCTION: Built from strong aluminum with a hot-forged frame that balances durability and low weight. Withstands repeated use on rock, ice, and alpine climbing objectives.
• VERSATILE BELAY & ANCHOR CARABINER: Perfect for belaying, rigging master points, rappelling, or securing essential gear. A dependable all-purpose locker for gym climbers, trad leaders, and guides.