These extended series heavy duty 1/4" steel concealed shelf brackets can be used for floating shelves, work stations or heavy duty shop shelving. Designed to be attached directly to the wall stud with the included 3/8" - 18 x 3" carriage bolts. The 90º straight bracket and easily be hidden with a lip around your shelf to give the look of a floating shelf. The extended concealed bracket is designed with mounting holes above and below the shelf surface for superior strength. These almond finished brackets are rated from 2320 to 7960 pounds per pair and available in 4 sizes. Also stocked in gray, white, and black finishes. The standard series of concealed shelf brackets don't have mounting holes above the shelf surface and are less expensive, see below in accessories.