Features: <br>1. Completely adjustable rollers ensuring smooth and safe sliding. <br>2. It can be used with 3inch thickness doors, suitable for all brands of barn door. <br>3. Easy for installation, fix 2 screws on the floor bottom plate, adjust and tighten. <br>4. Built-in bearing provides ultra-smooth rolling, convenient to use. <br>5. Carbon steel frame with black surface, screw matching for maximum durability. <br> <br> <br>Specifications: <br>Condition: 100% Brand New <br>Material: Carbon Steel <br>Color: Black <br>Optional Type: Single Roller, Double Roller, Heighten Single Roller <br>Thickness: Approx. 0.5cm / 0.2in <br>Suitable: for 76mm / 3in thickness sliding door <br>Size: Approx. 10.5 * 4 * 5cm / 4.1 * 1.6 * 2in <br> <br> <br>Package List: <br>1 * Floor Guide <br>1 * Bag of Screw Accessory <br> <br> <br>Note: <br>1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. <br>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.<br>1、Completely adjustable rollers ensuring smooth and safe sliding. <br>2、It can be used with 3inch thickness doors, suitable for all brands of barn door. <br>3、Easy for installation, fix 2 screws on the floor bottom plate, adjust and tighten. <br>4、Built-in bearing provides ultra-smooth rolling, convenient to use. <br>5、Carbon steel frame with black surface, screw matching for maximum durability.