Made from durable carbon steel and nylon, this sliding barn door floor guide is built to last. Easy to install with a flat surface design, no door slot required. Simply attach to the floor. Practical design allows the roller to glide smoothly and quietly. The bottom of the guide is flat to prevent damage to the door. Versatile application: Suitable for doors ranging from 30mm to 84mm thick, ideal for bedrooms, closets, bathrooms, living rooms, kitchens, pantries, garages, and more. Complete kit includes: 1x guide, 2x screws, 1x hex wrench, 2x ribbed plastic anchors. Everything you need for easy installation. Product Information: - Product Name: Sliding Barn Door Floor Guide - Material: Carbon Steel - Color: Black - Guide Size: 12.2x6.3x5.1cm (LxWxH) - Large Wheel Size: 4.2x1.9cm (Diameter x Height) - Small Wheel Size (2x): 2.1x4.1cm (Diameter x Height) Package Contents: 1x Floor Guide Kit for Barn Door Features: - This adjustable sliding barn door floor guide keeps your door secure and prevents swinging. - The guide is designed to accommodate doors from 30mm to 84mm thick. - No need to drill a slot in your door. - A 0.95cm gap between the floor and the bottom of the door is required. The guide can be recessed if necessary. - It is recommended to fix the guide to solid wood or with bolts to a solid wall. If you are unable to use a solid wall, use anchors and bolts.