1. 304 stainless steel material, corrosion resistance, no rust, strong and durable.2. The surface is treated with high-precision point solution polishing, with high precision, brightness and polishing degree, effective anti-rust and anti-corrosion, and long service life.3. Threaded design, safe and convenient to use.4. Wide range of applications, can be matched with various types of chain spring buckles, etc.5. A variety…