AspenTek New Version Aluminum Alloy D Shape Durable Carabiner with Screw Lock Bottle Hook Buckle Hook Buckle for Hanging Padlock Keychain Camping Hiking Suitable for hanging bottles, hanging bags, connecting tent and ropes,hanging key rings,hiking and camping,ect; Not for climbing or safety equipment Lightweight, waterproof, wear-resisting and durable Aluminum alloy Size: 78 * 42mm / 3.2 * 1.6in Weight: 23g / 0.79oz (each) New version with 8mm DIA durable aluminum alloy 6 Pcs Aluminum Alloy Carabiner with screw lock(Colors May Vary)