FIELD OF APPLICATION: Stainless steel carabiner. very practical and available in 3 sizes. suitable for spinnaker sail.HIGH QUALITY MATERIAL: 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.EXQUISITE WORKMANSHIP: This heavy duty and heavy duty swivel carabiner hook has excellent machining process and beautiful appearance. And its surface has smooth edges. resistant to high temperatures and corrosion.EXCELLENT PERFORMANCE: Carabiner With a small steel ring for smooth operation. Its quick release pin releases the pressure flange. even under voltage. for convenient and convenient using experience.HIGH SECURITY: Swivel eye carabiner. Its working load depends on the application and the orientation of the shackle under load. Piston rod split ring is spot welded for safety.