PREMIUM MATERIAL: This swivel stand is made of high quality 316 stainless steel, which is sturdy and durable. It is not easy to wear and corrode, with qualified quality and high strength. Exquisite Workmanship: This sturdy, high-strength carabiner is crafted with superior craftsmanship and looks great. Its surface has smooth edges, high temperature resistance and corrosion resistance. Excellent performance: quick release with small steel ring for smooth operation. The quick release pin enables the pressure bracket to be released even under tension, giving you a convenient and practical experience High safety: spring-loaded swivel shackle, the safe working load of which depends on the application and even the orientation of the shackle under load. The split ring on the wrist shaft is spot welded for added safety. Fields of application: Stainless steel snaps, very practical, available in 3 sizes, suitable for sailing spinnakers.