The Quantum Food Service TK-DTB21 is a durable overhead track bracket designed for efficient storage solutions. Measuring 21 inches, this double-sided bracket is crafted from high-quality aluminum, ensuring strength and longevity. It is NSF certified, making it suitable for food service environments. Each package includes one pair of brackets, perfect for enhancing your shelving system and maximizing vertical space. Made in the USA, this product combines functionality with reliable construction for your storage needs.