CRL Black Heavy-Duty Adjustable Shelf Bracket - Pack of 2 Brackets For Glass or Wood Shelves 1/2" to 15/16" (12 to 24 mm) Thick For Shelves Up to 12" (305 mm) Deep (Protrusion From Wall) Material: Zinc Maximum Shelf Depth and Weight: 12" (305 mm), 100 lbs. (45 kg) Includes: Adjusting Screw, Mounting Screw, Foam Gasket