Features: Keyboard tray size: 20″ x 11″ Self-skinning polyurethane foam palm rest Tear drop mouse tray 7-1/2″ x 8-1/2″ MDF mouse tray includes swivel only function Taiwan Part# EZ0049 Series US Part # 29141-2 EZ0049 Collection: This keyboard tray may be used with the following keyboard mechanisms EZ0049 EZ0049SL EZ0049CO EZ0049SEZSS EZ0049EZSL