Our Shelf On Wheels, the expanding kitchen cabinet shelf, offers a customized fit with no measuring, cutting, sawing or leveling. It take minutes for installation, just screw in 8 screws, expand and insert, that's it, you're done! No more bending down to look in the back of your cabinets. Now you have everything at your fingertips from front to back with a simple pull. Great for cabinets to organize pots, pans, Tupperware, lids, crock pots, cleaning supplies, etc. Use 2 or 3 shelves for additional space and organization. Expands from 11.5" to 19.5". No more cluttered cabinets!