Heavy Duty Extra Large Keyboard Tray Any Size, for Piano, Synthesizer, or MIDI up to 75lbsAdd to Any desk order or purchase separately. Heavy Duty Any Size Large Keyboard Tray for Piano, Synthesizer, or MIDI up to 75lbs. Sliding Keyboard Tray Choose dimensions from drop down menu. 3 4" thick and 11" deep or up to 16" deep. Finished with a heavy duty polyurethane. We can stain it any color you want. Ball bearing glides for use up to 75lbs. The listed dimensions are for the actual tray portion. So, you will need an extra 2" on either side to