The 5/16" Galvanized Anchor Shackle from T-H Marine is a durable and reliable hardware accessory for your boat anchor. Made from high-quality galvanized steel, this shackle can withstand the toughest marine conditions and resist corrosion, ensuring long-lasting performance. This anchor shackle features a round pin design that makes it easy to install and remove, while also providing a secure connection between your anchor and chain. The shackle's screw pin is also easy to open and close, allowing you to quickly change anchors or chain sizes. With a working load limit of 550 pounds and a breaking strength of 1650 pounds, this shackle can handle the weight and pressure of anchor chains and provide peace of mind while out on the water.