Button set (three buttons), for Yamaha PSR-E223, PSR-E323, YPT-220 or YPT-320 keyboard. This replacement button set is Yamaha part number WQ354500.
This item is USED.
$7.95
(Part # 10965)
Click on photo to enlarge
If you're not sure whether this item is compatible with your instrument, select the brand and model here to check.