Rev-A-Shelf 448-BC-8C Base Cabinet Pullout Organizer with Wood Adjustable Shelves Sink & Base Accessories, 8-Inch (1) Wood organizer, (3) adjustable shelves with Chrome rails and mounting hardware 100lb Full-Extension Ball-Bearing slide system (US Patent # 7,306,301) Wood organizer simply fits into existing cabinet Designed for a full height base cabinet with a 8-1/2" opening Includes patented door mount brackets for up to 5" of adjustability (US Patent #: 7,204,569) 8-Inch Wood Base Cabinet Organizer Adjustable Shelves, Full-height cabinet required Limited lifetime warranty Patented ball-bearing tri-slide system and door mounting hardware (US Patent #: 7,306,301) Wood Organizer simply fits into existing cabinet