Made of high quality 304 marine grade stainless steel, surface polishing, very strong and durable, good performance, super corrosion Resistance, high strength, safe and reliable, can be used with confidence. Easy to install, no drilling or welding required. Direct replacement for the old or broken one. The ring fork rotary ring shackle adopts electrolytic polishing and silica sol dewaxing process. After strict and advanced testing, it is precise and bright, and durable. Can be used for anchor chain, off-road recovery, traction, sailing hardware. Commonly used for sailing, motor boating and other water-sports applications and attaching anchors or mooring chains/ warps to avoid twisting as the boat swings around the anchorage or mooring.