Commercial Grade: High precision aluminum box bypass track for double pocket door,concealed sliding ensures beauty and durable.Track can be cut into any length to meet your own require Soft Like Butter: Ball bearing three wheel roller slide smoothly and quietly,tested beyond 100,000 rolls.The quick-release locking tab makes it easy to install or remove the door without the need to run the door panel off the rail Reminds: Fit four 25" wide door,note door need 1" overlap;Fit door thickness 1-3/8" or 1-3/4"(35mm/45mm);Each door weight capacity: 150lbs. Package Includes:(2)4ft rail,(8)rollers,(2)door stops,(2)floor guide,(4)finger pull. DOOR NOT INCLUDED Easy Install: We provide step-by-step graphic & text installation parsing manual,you can also get soft online copy and professional installation guide from our online service.All items have been multiple inspected before on market 24 Hours Stand By: EaseLife 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 Easelife is a company specializing in barn door products.We have advanced production technology and an excellent after-sales service team.We are committed to providing customers with better products and service.