Officemate Grande Central Filing System, 4 Pockets w/Hanger Set - 4 Pocket(s) - 27.5" Height x 16.6" Width x 5" Depth - Wall Mountable - Black - 1 / Pack Grande Central Filing System includes a starter pocket plus three add-on pockets. Design features special slots for envelopes or postcards and a detachable cup that fits on either side. Easily mount to walls with included mounting hardware. Categorize your files using included labels. Hangers adjust for wall panels ranging from 1-1/4" to 3" thick.