Rugged and reliable material:the carabiner is made from superior durable lightweight aircraft aluminum, stable and firm. SPECIAL DESIGN:Carabiner clip with screw lock on,durable and lightweight Multiple USE:Suitable for outdoor activities,such as camping, fishing, hiking, traveling etc. However, this product is not applicable for climbing. Portable and lightweight:Weighing 21 grams, you¡¯ll have no problem adding weight to your pack. You can carry them around with you and wouldn¡¯t notice them until you need it. Snag-free feature:Snagging is a common damage to hammocks, straps, tarps and clothes, our carabiner with key-lock mechanism prevents from gear, bolt or rope snagging.