We have advanced production technology and an excellent sales and service team. We are committed to providing customers with better products and service. ??????????????????? Solid steel, fine black powder coated surface, anti-corrosion ensures years of beauty and longevity. Slide Like Butter, Ball bearing roller slide smoothly and quietly, Tested Beyond 100,000 Rolls. All items have been multiple inspected before on market. Traditional double door bypass kit always not only take up a lot of space but also more bulky and trouble for installation. Our NEW INNOVATION “ONE RAIL BYPASS” can be simple installation, more efficient work, while saving space. ??????????????????????? Our hardware suitable for both modern and rustic style, you can apply for aisle, garage, kitchen, bedroom and so on. ??????????????? Fit Door Thickness 1-3/8″ 1-3/4″(35mm45mm), Fit up to double 45 wide door, Door Weight Capacity 220lbs. Package includes:(2)3.3ft Rail, (4)Rollers, (5)Rail Spacers, (2)Door Stoppers, (2)Floor Guide. DOOR NOT INCLUDED???????????????????????????????????????????????????????? specialize in sliding door and hardware many years, if there anything missed or broken, pls let us know, we are whole day online to solve your problem.