we have a few styles of Aluminum Enclosed Track Aluminum Rail just taken down for sale. we have lengths from 5 foot to 15 foot. we also have the rollers, some hangers, stops, caps and other miscellaneous pieces. this works great for so many things from cranes and hoists to move anything around the shop to a gate for your yard or tool room. if you have any interest let me know and leave a phone number i can reach you at.