【STAINLESS STEEL STRENGTH】This swivel shackle is made of high quality 316 stainless steel, strong and durable. It is not easy to wear and corrode, which has acceptable quality and high strength.【LONG LIFETIME】And its surface has smooth edges, high temperature resistant and corrosion resistant. All-weather protective coating for long life. It is an excellent choice for all users.【SPECIAL DESIGN】Precise design, safe to use, and easy to assemble and disassemble.【SIMPLE: CONVENIENT】Easy to install without additional adjustment. Widely fir for marine boat, trucks, van, caravan, trailers.【HIGH SECURITY】Swivel eye carabiner. Its working load depends on the application and orientation of the shackle under load. The piston rod split ring is spot welded to ensure safety.