steel Versatile Sizing Options: Choose from a variety of dimensions to suit your project needs. Standard Large Shelf Brackets feature a 10-inch vertical length, horizontal lengths ranging from 10 to 26 inches, and a thickness of 1/2 inch for both Steel and Aluminum versions. Industrial brackets extend up to 32 inches and boast a 1-inch patented ribbed aluminum design for extra strength and durability. Exceptional Strength for Heavy Loads: Designed to support large shelves, countertops, floating desks, and bar-tops with unmatched stability. The Industrial version features patented ribbed aluminum for superior strength in demanding applications. Both versions are proudly made in the USA. Engineered to deliver relatiability, durability and style for both residential commercial projects. Durable Material Choices: Crafted from high-quality American Steel or Rust-Resistant Aluminum for standard models, and reinforced patented ribbed aluminum for industrial versions. All brackets are finished with a double coat of black rust-inhibitor paint for long-lasting performance indoors or outdoors. Safety and Ease of Installation: Features a beveled edge for a smooth finish and includes pre-drilled holes for quick and secure mounting into wood studs. Hardware is included for added convenience. Individual Pricing: The price listed is for one bracket. Images showing multiple brackets are for illustration purposes only. Be sure to order the quantity needed for your project.