Hey boat owners, these uxcell quick release pins are super handy for all kinds of marine applications! They're made from zinc-plated carbon steel that resists corrosion, which is perfect for saltwater environments. Each pin measures 8mm in diameter with 50mm of usable length, and the ring has a 23mm inner diameter for easy handling. The spring-loaded ball mechanism keeps them securely in place until you're ready to remove them - just pull the ring and they pop right out. They're fantastic for Bimini tops, deck hinges, marine seats, pipe clips, and general boat hardware. The silver finish looks clean and professional, and the solid construction means they'll last through seasons of use. You get four pins in the package, which is great because you'll probably find multiple uses for them around your boat. The hole distance is 43mm, so make sure that works with your specific application. They're really versatile - I've seen people use them for everything from securing fishing rod holders to quick-release mechanisms on boat covers. The quality feels substantial - not cheap or flimsy like some hardware store options. If you're tired of fumbling with bolts and nuts every time you need to adjust something on your boat, these quick release pins will make your life so much easier. They're one of those simple upgrades that you'll wonder how you ever managed without!