Why do we need bed rail caps? Have you ever loaded your truck? Gotten a load of mulch? Picked up a bunch of 2×4’s or cleared your back 40 of debris? If you use your truck as a truck you need to protect your bed rails. Bed rail caps come in various styles. With quality bed rail caps from Tillman’s you can be as fancy or plain as you want but any way you go the main goal will be accomplished: protect your bed rails.