Barn Door Roller - Material: Carbon Steel with Black Powder Coating. The package includes: 2 x rollers, 2 x end caps, 1 x floor guide, 8 x spacers (for hanger bolts if your barn door is thin). Weight Capacity: 265 lbs, Door Thickness: 25.4mm - 28.4mm. The barn door hook fits barn door tracks up to 1/4 inch thick. All accessories are factory inspected before shipment and withstand 150,000 opening and closing tests. Note: This product is equipped with conventional hooks, allowing customers to use multiple doors. Customers can add a set of clothes rails based on the original clothes rails to add additional door panels. Recommendation: 1. The barn door should not only be easy to use, but also have good design features. 2. The barn door is pushed and pulled against the wall, which saves more space than ordinary doors and solves the problem that the sliding door cannot be opened due to the size of the installation. 3. Applicability: It can be used in exposed areas; high mobility such as kitchens, offices, main bathrooms, etc., which not only saves space but also saves a certain amount of space. 4. No under-wheel device, easy to clean the stubborn side, moisture-proof, wear-resistant, does not fade, removable 5. The carbon steel main material guarantees the stability of the moving trolley, the integrated sliding bearing; reduces resistance and the sliding with the small flower wheel becomes smoother and smoother 6. The blocking piece prevents the moving pulley from sliding out of the rail and also acts as a buffer when the moving pulley comes into contact, reducing noise