Get organized at home or in the office with the Adir Wire Bin Roll File with 20 Openings. This handy filing cart features a sturdy metal design, sure to be with you for many years of organizing to come.The Adir Wire Bin Roll File with 20 Openings is ready to store documents of any size! This blueprint storage rack features swivel casters for easy mobility from room to room, a great tool for presentations. The steps design allows you to view drawings at the back of the rack with ease. Perfect for any type of tube or roll! Openings measure 4" x 4".