Crafted of high-grade stainless steel with a gunmetal black finish, these swivels have an ultrasmooth rotation. They are 1.5-times stronger than standard barrel swivels. Per 50. Sizes: 10, 8, 7, 6, 5, 4, 2. Color: Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Swivels.