The Flashmer Barrel Swivel combines a gold-plated brass body with a stainless steel clip. The clip opens to allow for the replacement of a sinker, lure, or terminal tackle, and the barrel absorbs some of their rotation. This swivel can also be used to create sliding rigs and trolling rigs. It is available in sizes #2, #4, #6, #8, #10, and #12. Each box contains 100 pieces of the same size.