The Bass Pro Shops Interlock Snaps allow anglers to quickly change lures without having to re-tie a knot each time. Theyre incredibly easy to use and deliver the heavy-duty strength to withstand strikes from hard-hitting fish. Available with black or nickel finish. Per 20, except size 4 is per 15. Sizes: 1, 2, 3, 4. Colors: Nickel, Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Snaps.