Get organized with the easy to use Adir Wire Bin Roll File. This handy rack features a sturdy metal design, sure to be with you for many years of organizing to come.The Adir Wire Bin Roll File with 12 openings is perfect for the busiest of offices, making large document storage a cinch for all! This blueprint storage rack rolls on swiveling casters for easy mobility from room to room, great for presentations and features a steps design so that it's easy to view drawings at the back of the rack. Perfect for any tube or roll! Openings measure 5 1/2" x 5 1/2".