The storm sinker is a modified pyramid fishing sinker, with an elongated and ball shaped end that digs into the sand more and easier to retrieve. The hatteras sinker has superior holding ability in heavy surf and rough weather. Great for holding its place in the sand in the presence of strong currents. Great for long casting into rough waters, and it does not tangle easily because of the sleek shape. Apply for all saltwater fishing including surf fishing, shark fishing, offshore and inshore fishing. Material: Electrolytic Lead; Quantity: 5 Pack; Various weights available. Dr.Fish Storm Sinkers for Surf Fishing, Pier, Jetty, Inshore