Billfisher R12-100 Fishing Swivels Made using the highest quality materials Tested for durability Used by expert anglers Billfisher R12-100 Barrel Swivel Billfisher R12-100 Barrel Swivel Billfisher R12-100 Barrel Swivel Sizes 12 through 3 in vinyl tuck bags Sizes 1, 1/0, 2/0 and 4/0 in bag with header