Design Concept:Sliding barn door floor guide are designed to be more space-saving and lightweight, while the dual-sided design with concealed small pulleys ensures smooth sliding of the door panel while protecting it Strong and Durable: Our sliding barn door bottom floor guides are made of high-quality aluminum alloy and have a black powder-coated finish to ensure corrosion resistance; equipped with high-quality nylon rollers to ensure smooth and quiet sliding Why Choose Us:The sliding barn door floor guide can be easily adjusted to accommodate door thicknesses from 3/8'' to 1-15/16" ;This flexibility in sizing ensures a secure fit for diverse door applications Wall Mounted Design:Sliding barn door bottom floor guide mounts directly to the wall, requiring only 2 flat head screws and no floor drilling Packing:1 x Floor Guide;2 x Screws; if the product is missing parts please contact us through Amazon Sliding Barn Door Bottom Floor Guide