This metal countertop support bracket is made of high-quality metal and its surface is treated with a black powder coating, which provides excellent rust resistance and can effectively resist corrosion, ensuring long-term durability. It measures 16 in. x 12 in. x 2 in. and features a 90° stable triangular structure with welded gussets. Each pair of brackets can bear a weight of over 500 lbs. making it extremely sturdy. This bracket is especially suitable for creating floating and overhanging shelves, which greatly improves the storage efficiency of items and makes full use of every inch of space. It has extremely strong applicability. Whether it is used in DIY projects for benches, tables, kitchen islands, bar tops, or is compatible with various countertops such as quartz, granite, and wood, or is used for fireplaces, display shelves, bookshelves, industrial shelves, garage shelves, kitchen shelves, storage shelves, garden shelves, etc., it can perform perfectly. The installation is also extremely simple. Each bracket has pre-drilled holes and is equipped with screws and expansion tubes, allowing for easy installation in garages, tool rooms, offices, laundry rooms, dining/living rooms, kitchens, bedrooms, exterior walls, and anywhere else.