Wood Roll Out Cabinet Shelf 22 Inch Depth 12 Inch wood Made in USA Sturdy three inch tall maple wood frame to keep contents on the shelf with a white melamine base. Quality dovetail construction. Smooth glides create an easy roll out action with a stop catch. Glide hardware is rated to hold up to 75 pounds. Quick and simple installation requires only four screws on to the shelf below with common household tools.