KingChain Spring-Loaded Security Snaps are designed to make permanent and temporary connections. These snaps are 1 of the most versatile and useful chain and rope accessories. Easily connect and disconnect a wide variety of recreational and household items. Spring Links can be used with items equal or lower than the Safe Working Load (SWL). Snap links require no tools for assembly, simply push the spring lock onto the desired attachment. Snap links are removable and reusable. The solid, galvanized steel construction is strong, rugged and corrosion resistant. Do not use for overhead lifting or exceed the Safe Working Load (SWL).