a quick change link that can link to 25lb shock leader and would be strong enough to cast 3-4oz leads over 150yds, these clips are made from heat treateds stainless and are approx 25lb test and are 1/2 the size of the spinlink, used by many as the preferered quick change beach fishing link.. Many lure anglers and Carp anglers will find this neat and safe clip idea lalso can be used as a snood clip that dosnt drop the snood.