Ekena Millwork BKTM02X10X10HACRS  2-Inch W x 10-Inch D x 10-Inch H Hamilton Bracket, Steel Perfect for Countertop & Shelf Applications 1/4" Thickness 1008 Cold Rolled Steel Material With Zinc-Plated Finish Pre-drilled mounting holes for an easy installation and Bracket will have more flex depending on the length. Can Be Used to Support Granite Countertops Long-lasting Steel Insures Durability