【Premium Quality】Our sliding door guide is constructed of hardened carbon steel with a durable black coating, ensuring high strength and long-lasting performance. The screw adjustment feature allows for maximum durability and customization to fit your specific door size and thickness. 【Easy Installation】With the included mounting hardware and simple installation process, attaching this barn door floor guide to your door panel is quick and hassle-free. Simply attach two screws to the bottom panel, adjust the guide to the desired position, and tighten for a secure fit. This easy installation process ensures that your barn door is safely guided along the track for smooth operation. 【Easy to Use】Floor Guide The built-in rolling mechanism ensures extremely smooth rolling of the door along the floor guide, making it easy to open and close your barn doors with minimal effort. Fully adjustable rollers provide safe and secure sliding, preventing any wobbling or misalignment during operation.