Made of high-quality steel, solid and well-made, with good rust and corrosion resistant.. The very detailed instruction explains every step with words and pictures which is very easy for you to take a reference during the installation.. High density plastic wheels provide ultra-quiet experience, door stoppers keep the exact sliding range and the strong floor guide stabilizes door movement.. Need a minimum of 9" clearance from the top of your door to the ceiling for this kit to fit correctly.. Designed with a minimalist aesthetic, the door hardware is refined and unpretentious.. Sturdy and durable construction, smooth, silent and effortless operation.. WINSOON 96-in Matte Black Indoor I-strap Barn Door Hardware Kit | GCM2880