【New Whole Track Splicing】Use the rail spacer to connect the whole rail by installation tool and wrench. Fix rails in advance to position drill holes, avoid track unevenness and breakage caused by segmented installation. Bringing you a more easy and safe installation experience. 【Heavy duty】Upgraded materials of tracks make each section connected firm and tight, flat and smooth roll after installation, weight capacity of 350lbs. Package Includes: (8)1.25ft Rail, (4)Rollers, (2)T Shape Floor Guide, (9)Rail Spacer, (4)Door Stoppers, (4)Anti Jumpers, (1)Screw kit & Tool. 【Easy to install】Drilled hole can be directly positioned without measuring. Detailed instructions and Video show each installation step with words and pictures. Professional installation guidance by timely customer service. 【Premium materials】Aluminum, waterproof, rust-proof and durable. No need to worry about rusting caused by paint peeling after bumping. 【High reputation】Signstek Sliding Door Hardware passed 100,000 opening and closing test and won recognition over 100,000 customers. Signstek 10 FT Double Sliding Barn Door Hardware Track Kit, Wood Slab Use, for Garage, Kitchen, Bedroom, Fit 30'' Wide Door Panel-Smoothly and Quitely-Easy to Install (J Shape Hanger)