Kraftsman Cabinetry Winchester Grey RTA Flat-Pack Standard Base Cabinets come flat packed and ready to assemble. You can also select a fully-assembled option. These sturdy kitchen cabinets are constructed of 1/2 inch solid plywood. They come standard with soft close doors and drawer slides. Because each individual piece is pre-drilled with pilot holes, the rest of the base cabinet can be assembled with a power screwdriver. Hardware is included.