The MAP Diamond Eye Swivels are designed to create a reliable link between your mainline and hook length. These high-quality swivels are precisely manufactured with a pointed "diamond" eye at each end, which aids in achieving a more fixed direction when connecting your fishing lines and hook lengths. The diamond eye design can also facilitate attaching multiple lines to a single swivel. Each pack contains 10 swivels, and they are available in multiple sizes to suit various angling needs. Key features: - High quality engineered swivel - Ideal for linking mainline and hook length - Precisely manufactured with pointed "diamond" eyes - Helps achieve a fixed direction for line attachment - Available in sizes 8, 10, and 12 - 10 pieces per pack