Product name: D Typespring buckle / quick connection buckle Product material: electrophoresis iron Surface treatment: Black Suitable scenario: can be used for rigging, mountaineering supplies, etc Tips:A variety of specifications of the production, to the sample can be customized product presentation: 1. Solid design, product preferred good material, can be used for the link between the chain and rope cooperation 2. Anti-corrosion and rust prevention, made of electrophoretic iron high strength iron, wet and not rust, strong oxidation resistance 3. Healthy and environmental protection, environmental protection material pollution-free, do not release any harmful substances 4. High hardness, high precision process forging, strong stability and more durable