Closed Shelving Units are ideal for Garage and Office storage and organization. Closed shelving provides extra protection from dirt & dust, creates separation between areas and prevents product from falling off sides or back of unit. Units are available in 18 gauge, 4 heights and 15 shelf sizes. Each starter unit includes 4 offset posts (punched on 1" centers for easy adjustment), one back panel, 2 side panels and selected number of shelves with corresponding hardware (nuts and bolts for top and bottom shelves, clips for intermediate shelves). Easy and quick assembly. Available in Gray.