The Metro 1WD21S is a durable wall-mounted shelving bracket designed for 21-inch deep shelves. This single support system includes one shelf support and a mounting plate, along with two shelf collar caps for secure installation. Ideal for providing robust support at the ends of shelves, two brackets are required per shelf for optimal stability. Constructed from stainless steel, this bracket ensures long-lasting performance and resistance to corrosion, making it suitable for various environments.