Williams 50730 The Unit 20 Drawer 42-Inch Roller Cabinet/Chest, 1-Piece The Unit includes 20 drawers with a pull out work surface 9-1/2&quot; canopy in top for holding large tools &amp; other materials Canopy has electrical knockouts so cordless tool charger&apos;s can be kept secure Gas struts help to easily open the lid Ball bearing slides