Ideal for anchor chains - Fits chains or lines with a diameter of 6-8 mm (0.24-0.31 in) and provides an ideal fit for most standard boat chains. - The locking mechanism keeps the chain securely in place, preventing unwanted movement and improving the safety and reliability of your boat’s anchoring system. Robust performance - Manufactured to meet factory standards with strict quality control for consistent, reliable performance. - Whether you are securing a boat or anchoring your vessel, this chain stopper helps maintain stability and safety and is a dependable part of your marine hardware. Mirror-polished finish - The smooth, mirror-polished surface complements the modern aesthetics of boats and yachts. - The refined finish provides visual appeal and smooth operation, making it a key component of your vessel’s sea hardware. 316 stainless construction - Built from high-grade 316 stainless steel for superior durability. - Designed for use in marine environments, making it ideal for boats, yachts, and ships that require a long-lasting marine hardware solution. use scenarios - Harbor anchoring on small to mid-size boats: install the chain stopper to prevent chain movement and reduce anchor noise during set. - Open-water mooring on a yacht: use the stopper to secure the chain or rope and maintain tension under varying sea conditions. - Dockside securing: employ the stopper to keep the chain aligned and tensioned when moored at a marina, enhancing safety and peace of mind.