Rev-A-Shelf 5" Cabinet Base Organizers, Natural Package Contents:(1) Wood organizer, (3) adjustable shelves with Chrome rails and mounting hardware Assembled Dimensions: 5" W x 19" D x 25.5" H 100lb Full-Extension Ball-Bearing slide system (US Patent # 7,306,301) Wood organizer simply fits into existing cabinet Only 19" depth for shorter applications This is an aftermarket of generic part