Effectively Prevent Swinging---The barn door floor guide ensures the high performance of the sliding barn door and prevents the wooden door from swinging back and forth when opening or of closing. Slide your barn door smoothly and no noise will affect your life. Simple T-shaped Appearance---Our floor guide track adopts bottom T-shaped design to ensure smooth operation, which is beautiful and practical, which is very suitable for most modern design creations. The black exterior can match the barn door hardware and add beauty to your home. High Quality POM --- The floor guide rail is made of POM high quality, which is durable and has good impact resistance and shock absorption. Having high quality sliding barn door hardware can protect the floor from damage and prolong the life of the door. Suitable for slotted doors --- The swing stopper is not suitable only to slotted doors and the bottom slot size is 0.7cm wide and 2cm high. The product is installed with mounting screws, equipped with screws and expansion screws, just tighten the screws in the desired position, and the door can roll smoothly. Anti-vibration device Multifunctional---The sliding barn door floor guide can be used for barn doors, wooden doors and cabinet doors to provide a quieter way for your wardrobe, kitchen, bedroom, toilets etc. . Avoid swinging the door on both sides. Specification Material: Polyoxymethylene Color: Black Applicable groove: height about 2.5cm Size: as shown in the picture Package includes 4 * Floor Guide Clip 8 * Screws 8 * Expansion Tubes