Amount : 2 pieces Specification: M8 Material: 304 stainless steel Made of marine grade 304 stainless steel, polished surface, very durable, good performance, super corrosion resistance, high strength, safe and reliable, you can use it anytime. confidence. Easy to install, no drilling or welding required. Directly replace the old or damaged one. The rotary fork ring is electropolished and waxed with silica sol. After strict and advanced testing, it is precise, bright and durable. Can be used for anchor chain, off-road recycling, traction, sailing equipment Commonly used in sailboats, jet skis and other water sports applications, and secures anchors or mooring chains to prevent twisting as the boat swings around the anchor or mooring.