Makhry 6PCS Aluminum D-Ring Locking Carabiner Clip Spring Snap Hook Camping Hooks Keychain Carabiner Hooks Made from superior durable lightweight aircraft aluminum material.Elegant,strong and practical Length: 78mm Diameter: 8mm;Max Loader:100lb Suit for outdoor activity, camping, fishing, hiking, traveling, keychain etc It is not recommended to be used in mountaineering, rock climbing, ice climbing and high-altitude games for your safety