【High Material Craftsmanship】 The door guide is made of hardened carbon steel with black coating, it is of high strength and long durability, Comes with installation hardware, it is therefore easy to adjust and install, safe to use for a long time 【Fully Adjustable】 All configuration options are easily adjustable to ensure a perfect fit. No matter what size or type of barn door you have, we guarantee this floor guide will provide a secure fit 【Smooth Gliding】 The rotating wheel perpendicular to the side not only makes the sliding smoother and quieter, but also saves more space. Flush bottom design will not damage your beautiful floor 【Unique Design】Adjustable zigzag design, firm, lightweight and concealed fixing, suitable for indoors and outdoors, and can be perfectly matched with different styles of barn doors. To maintain balance, a reliable door roller guide to prevent doors from swinging or scratching the interior wall 【Easy to Install】 There is no need to reserve grooves on the door or drill holes in the floor. You can adjust the position of the roller according to your door panel as you like. Great design looks great with many barn door styles Product Description Features: 1. A 100% brand new and high quality Flat Two Wheel Bottom Floor Guide Set. 2. Made of hardened carbon steel with black coating, it is of high strength and long durability. 3. The size can be adjusted. 4. To maintain balance, prevent swinging, and ensure the barn door slides smoothly. 5. Comes with hardware installation, so it is easy to adjust and install, safe to use for a long time. 6. Great design looks great with many barn door styles. Features: Condition: 100% Brand New Material: Carbon Steel Color: Black as picture shown Size: Approx. 115*65*50mm Package included: 1* set of door guide hardware Note: Easy to install, but professional installation is highly recommended.