Features: A round-stock basket provides a smooth surface for the rope to run over when belaying Partial H-frame optimizes the strength-to-weight ratio Pear-shape design is versatile for climbing and mountaineering SCREW-LOCK locking system provides a good grip and effective locking Visual indicator makes it easy to check that the carabiner is locked Keylock system and smooth nose help prevent the carabiner from snagging during use Compatible with the BAR accessory to prevent the carabiner from cross-loading Materials: Aluminum Specifications: Weight: 58g Major axis strength: 21kN Minor axis strength: 7kN Open gate strength: 6kN Gate opening: 23mm