[PRODUCT SPECIFICATIONS] This floor guide wheel is suitable for barn doors with a thickness of 0.9' to 1.97'. [EXQUISITE DESIGN] The floor guide is suitable for many door sizes, no need to cut slots in the door, can be directly installed and used, hidden rollers on the back, can effectively shorten the distance between the door and the wall, with soft double roller design, no color loss, lightweight, compact, practical, can effectively protect the bottom of your door. [WIDE APPLICATION] The sliding barn door guide is made of high-quality metal material and coating treatment, and the fashionable appearance design can be applied to the kitchen door, living room door, warehouse door, bedroom door and other usage scenarios, adding a modern visual experience to your living environment. [EASY INSTALLATION] We provide you with wrenches, expansion nails and all other parts shown in the picture that you need to install the floor rails as well as instructions to help you complete the