Amazon.com : Officemate Hanging File Frame, Letter Size, Adjustable 14 to 18-Inches, 2 Count (Pack of 1),Silver : File Folder Racks : Office Products
Amazon.com : Blue Summit Supplies Hanging File Bars 2 Pack, Letter Size, 13” Wide x 17.5” Long, Steel Metal File Cabinet Bars for Hanging Files on Desktop or in File Drawers, Set
Drawer File-Frame Kits - Lee Valley Tools
Officemate Oic Universal Hanging File Folder Frame- Letter/legal- 24in-27in Long- Steel- Silver- 1 Each in the Office Accessories department at Lowes.com