Required Insert is #2 brass wire eye (not included on this package but we do carry) Do It River Sinker 5, 6 oz. Do it Mold (3180) RS-2-56 Cavities 2 Total Made in USA Cavities 2 Total - one of each size Casts size of weight on sinker No need to go with the flow. These large donut-shaped sinkers hold their own against the currents in rivers, tidal flats, coastal areas and surf. The low profile and raised outer edges of the River Sinker prevent the rolling or tumbling that you'd expect under these conditions. Do it Mold (3179) Do It River Sinker 5, 6 oz. Do it Mold (3180) RS-2-56 Cavities 2 Total Made in USA Casts size of weight on sinker Cavities 2 Total