Specify LEFT or RIGHT hinging, four 3-1/2" high and 5/8" thick solid maple English dovetail roll out trays, BLUM motion integrated easy-close full-extension undermount slides, tray locations are adjustable on vertical tracks, cabinet sides unfinished, finished sides available in Custom Options section, top door matches 39" high wall cabinet, premium UV finished plywood cabinet box construction, 5/8" plywood hanging rails