1、This floor guide insures a high level performance for your sliding barn door and prevents door from swinging to sides. 2、Fully adjustable floor guide, can be used in any thickness of the door. 3、Quiet sliding - Practical design provides quiet and effortless sliding. 4、Made of high quality material, with good strength and strong impact resistance. 5、A useful barn door hardware for a long lifespan. Features: This floor guide insures a high level performance for your sliding barn door and prevents door from swinging to sides. Fully adjustable floor guide, can be used in any thickness of the door. Quiet sliding - Practical design provides quiet and effortless sliding. Made of high quality material, with good strength and strong impact resistance. A useful barn door hardware for a long lifespan. Easy to install, comes with installation screws. Specification: Condition: 100% Brand New Material: Plastic, Aluminium Alloy (Optional) Color: Black Size(L*W*H): Approx. 4.5*2.4*2.3cm / 1.8*0.9*0.9in Package list: 2 * Floor Guide 4 * Screws