Reliable choice: Made by heavy duty raw steel, move smoothly and quietly. Get it with reasonable price and provide you a completely joyful experience. Overlap Space: There would be a 8″-12″ overlap space since the 2 doors are hanging on one single rail. Please be reminded that your door panels should be wider than your opening(8 at leaset). If not, the 2 rollers will hit when one door slide, then drive other door slide. Package include: 2x 4ft rail, 1x connector, 6x rail spacer, 4x roller, 2x door stop, 1x floor guide, 1x hex key; all other necessary hardware is included in the pictures. For 16 inch stud. Only the hardware kit for sale, Door Not Included. Door weight capacity: 150lb-200lb; Fit door panel Width: 48″; Fit door panel thickness: 1 3/8″ – 1 3/4. Simple and easy to install: Professional instruction and customer service team help you solve all installation problems in time. Save the cost of finding a carpenter or decoration team.