E-S-P Standard Uni Link Swivels provide a universal hinge and 360 degree movement to otherwise rigid hook links and are ideal for stiff mono rigs and Combi Rigs in coated braid.They also improve the presentation of lighter, more flexible mono and soft braided hook links, effectively reducing tangles on the cast.Packets of 10Available in size 9 to fit all popular safety clips and in line leads.