For robust countertop support in heavy-duty installations, rely on The Original Granite Bracket's Industrial L Countertop Support Bracket. Crafted from durable 1-inch thick by 2 ½ inches wide Industrial Ribbed Aluminum. These brackets are welded for exceptional strength. Designed for mounting over knee or pony walls, or onto a 2x6 inside the cabinet, these brackets provide reliable support for your countertops and other home projects.