Maximize your storage capacity with Top-Track overhead track shelving. Top-Track system allow more storage units to fit in a defined space than a traditional shelving setup. A movable, open aisle allows full access to each entire shelving unit thus eliminating hard to reach or "dead" spaces. Required when overall desired track length exceeds 21' (6405mm). Optional when track length is under 21' (6405mm). Includes 86" high posts (2184mm) high stationary posts, plated foot plates, and hardware necessary for connecting one stationary intermediate unit to tracks. Shelves are sold separately.