Our Folding Shelf Bracket, when used with a second bracket, can support a fold-down work surface up to 110 lbs. The bracket automatically locks in open and closed positions and has a quick release. It measures 4-7/8" high x 1-1/2" wide. Projections are 1-5/16" in a closed position and 12" in an open position. The bracket is constructed of steel with a white powder coated finish.