Adjustable function: Fully adjustable rollers ensure smooth and safe sliding. The bearings provide a very quiet and smooth glide when the door opens and closes. Adjustable double rollers to fit thinner panel. Practical function: The sliding door guide can be used with 3 inch thick doors, suitable for all brands of barn door. Countersunk screw design to make our floor guide rest on the floor, with no gap between the bracket and the floor, ensuring no damage to the floor. Easy to install: This floor guide is easy to install. Simply attach 2 screws to the bottom plate, adjust and tighten. Our floor guide is made of carbon steel and perfectly shaped to provide a flush fit with the wall and floor. Convenient to use: The door guide's built-in bearing provides ultra-smooth rolling, easy to operate. Unique design: carbon steel frame with black surface of the holding roller, screw adaptation for maximum durability. If you really need a quality functional door guide, the ball bearing wheels are smooth and quiet. Product Description Specifications:< /p> Condition: 100% Brand New Material: Carbon Steel Color: Black Optional: Double Roller Bearing 1#, Double Roller 2# Bearing, Double Roller 3# Thickness: approx. 0.5cm / 0.2in Suitable: for 76mm sliding door thickness PackageList: 1 * Floor guide 1 * screw bag accessory Note: < p>1. Please allow 0-1in error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Color Product size: black Product size: 120*50*60MM Delivered quantity: 1 piece ladaceae