Size:12 inches long , 5mm Thick.Backplate is 3-1/3 inches wide and 2 inches height. Package included: 12 x Brackets , 48 x long Screws, 24 x short Screws,(Wood plank is Not included) Our heavy-duty brackets can support Audio Equipment,bookshelf,kitchen ware,electric power tools , TV bench ,farm tools,etc Heavy Duty design, maxium support weight of 150lbs for a pair of this L bracket. White powder coat finish. Creating a rustic, reclaimed, salvaged look,perfect for your home, office, garage, work space or anywhere else Sturdy and durable: Made from steel, these shelf angle supports offer a strong bearing force ,Our corner brace joints are perfect for hanging in a garage, living room or office All screws included - All screws needed to install your new shelf brackets are included.Our steel shelf brackets can be used as exhibition stand,bicycle stand,garden shelf, kitchen shelf,office shelf,etc Easy to Install design using basic DIY tools. Easily mount your favorite shelves in your garage, home, office, bathroom, kitchen, living room, dining room, bedroom