These easy to use tie down rings quickly and easily mount to the t-slots on the top, sides and/or the bottom of Front Runner Slimline II Roof Racks. Sold in Pairs. No tools required. Just hand tighten. Slide these around anywhere on the rack for an endless supply of tie down points. Perfect for use with the Front Runner Stratchit or any style tie down strap. Mount unusual loads securely to your Slimline II Roof Racks for hassle free/rattle free travels where a specific mounting accessory is not available. Of all the accessories for Front Runner Slimline II Roof Racks, this is THE must have.