Adjustable with 8 Different Configuration Options: Fully adjustable to fit doors up to 3" (76.2mm) thick. 8 different configuration options allow you to assemble the floor guide in a style that matches your sliding barn door. If you follow the instructions to install the guide, you will find that it looks better and works well on your doors. Flat on the floor and recessed with bracket: Special design allows this barn door guide to rest completely on the floor. The wall screws are aligned with the bracket to protect the barn door from scratches. Sturdy and durable: The bracket is made of high quality heavy duty steel to ensure indoor and outdoor use. The Ferris wheel is made of sturdy plastic that rolls quietly and smoothly to avoid scratching your door. Package Included: 1 steel bracket, 1 large roller, 2 small rollers, 1 wrench and some screws.