Item Type: D Ring Buckle Product Material: 316 Stainless Steel Package List 10 x D Rings 1316 STAINLESS STEEL: These D ring buckles are made of 316 stainless steel, rustproof and corrosion resistant, and welded at the ends for high stability. 210PCS IN 1 SET: Including 10pcs D buckles, semicircular design, small and compact in structure, sufficient quantity for easy use and replacement. 3GLOSSY SURFACE: These stainless steel rings have a glossy appearance with no burrs or incisive points, so you will not hurt your hands when using. 4WIDE APPLICATION: Commonly used in marine device or industrial applications such as rigging, anchoring, rowing, ropes, chains, straps, webbing, etc. 5GOOD DURABILITY: These semi circular rings have high corrosion resistance and good durability, standard in size, for a wide range of applications.