Practical Design: The carabiner features a spring-loaded gate that allows them to be quickly and securely attached to a wide range of fixing points. With screw lock and locking system keep you safe. Durable Material: The spring hook is made of stainless steel, precision cast, corrosion-resistant, rust-proof, and durable. Easy to Use: Instant locking and one-handed opening. With a suitable spring design, you can easily open and close with one hand. Easy to Carry: 7 x 3.5 cm. The stainless steel spring hook has a load capacity of 150 kg (330 lbs), they are small and lightweight, making them easy to carry and store. Wide Application: This stainless steel carabiner can be used for rigging, rope, chain, leash, cable, key ring, etc. Details: 1. Strong, sturdy and durable, it is an excellent carabiner for connecting, transporting or securing almost any item. 2. For safety reasons, not suitable for high-altitude games such as mountaineering, rock climbing and ice climbing for your safety 3.