The Mustad Barrel Swivels are coated in a black nickel finish to reduce visibility and to enhance longevity in the field, making them a vital asset for any angler who uses swivels in their rigs. With pack sizes quantities ranging from 10 per pack for the smaller sizes and 6 per pack for the larger sizes, these swivels represent a handy option at great value and are proving to be one of the most popular currently available.