Ekena Millwork BKTM03X12LOCRS  3-Inch W x 12-Inch D Logan Hidden Support Bracket with 8-Inch Support Depth, Steel Perfect for Countertop & Shelf Applications 1/4" Thickness 1008 Cold Rolled Steel Material With Zinc-Plated Finish Pre-drilled Mounting Holes For Easy Installation Can Be Used to Support Granite Countertops Long-lasting Steel Insures Durability