PRO Mountings Roller Mount Track Fabricated from 3/16" steel plate for superior strength!! Can be mounted to open ceiling joists, drywall or concrete surfaces. Special interlocking ends allow for addition of multiple track sections 600lbs weight capacity per 4 Foot section. Mounting hardware included! **DOES NOT INCLUDE ROLLER MOUNT** Designed by PRO Mountings and made in the USA!! Lifetime Warranty!