JUBEST 6FT Box Rail Exterior Barn Door Hardware Kit, Heavy Duty Sliding Barn Door Hardware, Wall Mount Barn Door Hardware for Exterior and Interior Barn Doors (Door NOT Include). Heavy Structure: Made of Roll-formed galvanized steel with 5 track brackets, which can hold up to 450lbs door. 50000 cycles and corrosion resistance test passed, sturdy and durable. Can be used for both interior door and outside door (for single door use, door NOT include). Corrosion-resistant: Galvanized coating process is adopted on the surface to prevent corrosion. It can withstand the harsh outdoor environment and ensure long metallic luster and service life. Sliding Smoothly: Precision formed steel hangers with double axis track, offer minimum friction and smooth operation. Track end caps decrease potential damage from hash weather. Easy to Install: The kit contains all the accessories required for installation, which can be quickly installed step by step according to our instructions. Package Included: 2 × 36 Tracks, 2 × Track end caps, 5 × Track brackets, 2 × Hangers with door strap, 1 × Galvanized steel floor guide, 2 x Stoppers & Step-by-step instructions. Suitable for door thickness: 1-3/8″ to 1-3/4″. Maximum door width: 36. A professional customer service team will help you solve your issues in time. Please wait for the result of cancellation. The order will be processed and completed by automatic warehouse system within 5 minutes. Sending direct message to cancel the order is not allowed for every case. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.