Rev-A-Shelf - 447-BC-8C - 8 in. Pull-Out Wood Base Cabinet Tray Divider and Foil & Wrap Organizer (1) Wood organizer, adjustable dividers and mounting hardware 100lb Full-Extension Ball-Bearing slide system (US Patent # 7,306,301) Designed for a 8-1/2" opening Dividers slide in and out to create a custom space Includes patented door mount brackets for up to 5" of adjustability (US Patent #: 7,204,569)