Acxeon 5pcs Aluminum Carabiner Screw Locking D-ring Key Chain Clip Hook for Camping, Hiking, Fishing Application:backpacks, key rings, kettle and home, all the necessary place The ultimate tension: (50kg). Rigid aluminum alloy, extremely hard Using D-type aluminum alloy polished, waterproof, wear-resistant, high strength, durable Carabiner can be used as a handle or hanger tents, ropes and other connections Dimensions (L x W): Approx. 3.1x 1.6 inch, Diameter :8mm. Notice: Not for climbing use.