COMMERCIAL GRADE POCKET DOOR HARDWARE – Designed specifically for interior sliding pocket doors, this aluminum track system provides a stable and durable solution for smooth single-door installations SMOOTH & QUIET SLIDING PERFORMANCE – Precision ball bearing rollers ensure consistent, low-noise movement for daily sliding door use in residential and light commercial spaces HARDWARE KIT ONLY – EASY DIY INSTALLATION: Fit door width 23"~24"; Fit door thickness 1" ~ 1-3/4"(25mm~45mm);Door weight capacity: 200lbs. Package Includes:(1)44.5" rail,(2)rollers,(1)door stops,(2)floor guide. Track Width: 45mm. DOOR NOT INCLUDED HEAVY-DUTY ALUMINUM TRACK SYSTEM – Box rail aluminum track resists wear and deformation, supporting long-term use and reliable door movement IDEAL FOR INTERIOR POCKET DOOR INSTALLATION – Perfect for bedrooms, bathrooms, closets or office partitions where space-saving sliding doors are required Track Rail Length:44.5 inch (48in-3.5in).Please attention that this 3.5 inch reserved for maintenance of hardware kit. 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 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.