CABINET REQUIRE: This 3 tier pull out drawer can be installed at the bottom of the cabinet. When installing it at the bottom, ensure your cabinet has a width greater than 17.5 inches, a depth greater than 21.5 inches, and a height greater than 19.5 inches MEASUREMENTS: Measuring Width: Open your cabinets as narrow as they can get. measure the narrowest width of the cabinet. Measuring Depth: measure both the left and right sides. use the smaller measurement. measure every place where you plan to put a slide out. think about things like pipes, or other stuff that can change the depth. Measuring Height: measure from the bottom of the frame to the top on both the left and right sides. pick the shorter measurement BOTTOM ASSEMBLY: This pull-out cabinet organizer is designed to be installed on the bottom of your cabinet. The wood drawer comes with pre-drilled metal holes for installation SOFT CLOSE: The rails of the slide-out cabinet organizer are made of soft-close slides with full extension. Each drawer slide is rated for 60 lbs, providing a smooth and quiet operation. The cabinet pull-out shelves are made from thick, knotless solid wood with a double layer of natural clear coat and a thick plywood bottom, ensuring a heavy-duty construction WHATS INCLUDED: 3 wood drawers with 3 pairs of full-extension 60 lbs soft-close drawer slides, baskets, screws, and a user manual. This cabinet drawer slide-out is suitable for use in cabinets, under sinks, and other similar spaces WHATS INCLUDED: 3 wood drawer with 3-pair full extension 60 lb SOFT CLOSE drawer slides, baskets, screws. users manual. MATERIAL Made from thick knotless solid wood, thick plywood bottom, slide made of thick steel materials, smoothly pull out full extension, quiet and smooth. heavy duty, This pull out cabinet organizer install on the bottom of your cabinet! wood rawer comes with metal pre-drill metal hole installed.