Hi-Performance Uni Link Swivels are made in Japan to exacting standards. This ensures ultra smooth rotation and improves the performance of any Pop-Up Rig that incorporates a swivel.On Chod Rigs in particular, the swivels ability to spin round and help the hook catch hold in the carps mouth is of critical importance. - Can also be used to improve braided or lighter mono hooklinks, reducing tangles and ensuring that rigs lie flat on the bottomPackets of 5Available in sizes 9, 10, 11 to fit all the popular safety clips and in-line leads