This Harken 56 mm Halyard Crossover Block from 1981 is a must-have for any sailing enthusiast. Made by the renowned brand Harken, this crossover block is a reliable and durable choice for your sailing hardware needs. The manufacturer part number 1981 ensures that you are getting a high-quality product that will meet your expectations. This item is perfect for those looking for a replacement or an upgrade to their existing sailing hardware. It is compatible with a wide range of boats and is designed to provide a secure and reliable connection. Don't miss out on this opportunity to invest in your sailing gear and take your sailing experience to the