These beads with safety snap have many uses and not only for sea fishing.There great for attaching large floats for a sliding rig.Marker float set up for carp fishing and many more.There are 3 sizes to choose from and a choice of quantity to give you the best deal.Small: Black & Blue beads 7kg test snap swivelMedium: Black & Yellow bead 9kg test snap swivelLarge: Black & Red bead 13kg test snap swivelColor:Random 20 x Small Swivel20 x Middle swivel20 x Large Swivel