individual tracks and guides

Use individual tracks and guides(which assembled by dia 28mm pipe and joints system) to move your product from the loading side to the picking side of the rack. Tracks use 7/8" polyethylene wheels to prevent product damage and dust accumulation. Shelves adjustable to meet your picking height requirements.http://www.alibaba.com//product-detail/JYJ-4-Pipe-Connector-coated-pipe_884326825.html