Multibin Drawer divider

Only for use with the 3x1x2 Grid divided Drawers (that part is still in early access as of time of posting), snaps right onto the existing dividing walls, splitting each section in half and extending the dividing walls to the full height of the drawer so parts cannot migrate between drawers even if the drawer itself it turned upside down or shaken (honestly why this isn't just standard practice for the drawer files I don't understand).