BLACK DIAMOND RockLock Screwgate Carabiner – Hot-Forged, Lightweight Locking Biner for Belaying & Rappelling (Gray)

Overview

The BLACK DIAMOND RockLock Screwgate Carabiner combines generous capacity with a clean, snag-free design. Its large HMS-style frame is built to handle knots, belay devices, and gear cords with ease, making it a versatile choice for a range of rope-based activities.

Designed for real-world use, this locking carabiner balances strength and lightness through a hot-forged aluminum construction. The result is a dependable tool you can rely on across indoor routes, outdoor climbs, guiding work, and technical ropework where you need reliable handling with minimal fuss.

Key benefits

• Large, secure design: The RockLock is Black Diamond’s biggest locking carabiner, offering ample space for knots and belay devices.
• Strong and durable: Hot-forged aluminum delivers solid strength without adding unnecessary weight.
• Keylock nose for snag-free use: The smooth nose minimizes rope or gear snagging during clipping or unclipping.
• One-handed operation: Ergonomic spine and screwgate enable easy use even with gloves on.
• Versatile for climbing and safety: Ideal for rock climbing, mountaineering, anchor setups, and rescue scenarios where a secure, high-capacity locking carabiner matters.

Practical use scenarios

• Belaying and anchors: Large frame helps manage roped systems and devices with confidence.
• Rappelling: Secure attachment points and smooth operation for controlled descents.
• Technical rope work: Handles knots and gear layouts often encountered on multi-pitch routes and rescue tasks.

Specifications at a glance

• Material: Aluminum (hot-forged)
• Locking mechanism: Screwgate with Keylock nose
• Capacity: Large HMS-frame design for versatile setups
• Intended use: Climbing, mountaineering, anchor systems, and related safety operations

Whether you’re upgrading your rack or outfitting a guide kit, the RockLock brings a balance of space, strength, and reliable handling. While results depend on your specific setup and technique, this carabiner offers a practical combination of features that can support smooth operation in varied conditions.