This is a versatile .8 mm stainless steel wire rig with a 50lb test rating. There are two arms with snap connectors for holding hooks or other tackle. One end of the main leader is a swivel for connecting to your line. The other end has a heavier snap, useful for a 1 or 2 oz. weight to keep the rig on the bottom. These rigs are affordable and indispensable for pier or surf fishing with medium weight gear. They will hold up to numerous fun fish species including small sharks.