Exceptional Load Capacity: Our heavy-duty shelf brackets are engineered for unparalleled strength. With a remarkable 800-1000 lb load capacity per pair, you can confidently secure your heaviest items, ensuring safety and reliability in any setting. The countertop support bracket is heavy duty enough for different kinds of Granite Quartz Wood Laminate Countertops. You will not regret your choice about our heavy duty shelf brackets. Dimension & 3/8-Inch Thickness: they are several dimension about this countertop bracket. At present we supply 14"x10"x2.5", 16"x10"x2.5",12"x10"x2.5" each bracket is Crafted from solid 3/8-inch steel, these countertop support brackets are built to endure.