Johnson Hardware Steel 48 In. Bypass Door Hardware Set is designed for sliding doors measuring 3/4" or 1-3/8" in thickness and weighing up to 50 lbs. This hardware set features a precision rolled heavy steel track with convex rails that ensures smooth and reliable operation. The hangers are crafted from heavy-gauge steel with zinc plating, allowing them to accommodate both 3/4" and 1-3/8" thick doors by positioning them in reverse. Equipped with carefully machined nylon wheels measuring 7/8" in diameter, the set s smoothness and balance for effortless door movement. The adjustable door guide is made of woodtone-finished steel and includes woodtone nylon floating guides for added stability. The brass-plated pulls, with a diameter of 3/4", complete the kit, which is designed for use with two sliding doors. Model Number: 1166G482