1. Material: Stainless steel carabiner hook made of 316 stainless steel, strong and corrosionresistant, polished surface, strength and hardness, climbing quickrelease device, strength pushbutton shackle, strength shackle connector. 2. QUICK SOLUTION: Equipped with a quickrelease pin, this stainless steel quickrelease shackle ensures fast and effortless release even under heavy loads, providing unmatched comfort and reliability. Unique snapclosure design allows the shackle to open under load, enabling quickrelease connection. 3. WIDE APPLICATION: Fixed stainless steel carabiner hook for outdoor camping, mountaineering, rappelling, and extension use. Ideal as a climbing carabiner or quickdirection connection shackle. Our heavyduty swivel shackle is designed for rugged marine use, serving as a versatile solution for boat rigging, sailing, kayak anchor systems, equestrian applications, etc. 4. PORTABLE DESIGN: Compact and lightweight, this snap shackle swivel is easy to carry and store, offering convenience and durability. The spring ensures smooth operation during every opening and closing, making it suitable for various uses, including sailboat spinnaker rigging and kayak anchor systems.