Our Barn Door Hardware Kit is designed to handle doors with a weight limit of 220lbs. It accommodates door panel thickness from 1 3/8" to 1 3/4". For ideal coverage, the door panel width should be at least 2" wider than the opening. With this barn door hardware kit, you can ensure your door is supported and fully covers the opening. MARLIN MANUFACTURING COMPANY, INCORPORATED | 6.8FT Barn Door Hardware Kit | 17.13" L | Wayfair