FOR HANGING GRIDWALL PANELS: The brackets work perfectly with all gridwall and slatgrid panels EASY TO INSTALL: The gridwall mount brackets are very easy to attach to the wall, use them to improve your home office space or craft fair display FOR WALL MOUNT: The brackets have 4 screw holes, so you can easily and safely attach the brackets to the wall. *Screws are NOT included STURDY: The brackets are made out of sturdy and quality metal, coated with a high-resistant black finish PACK OF 24: You will receive 24 black grid wall brackets. A minimum of four (4) brackets are recommended per each grid or slatgrid panel