The Quantum Food Service 21TB Tie Bar is designed for enhanced stability and support in track shelving systems. Measuring 21 inches in width, this tie bar features a durable chrome-plated finish that not only adds a sleek look but also resists corrosion. It is compatible with two rigid casters (not included), making it an essential accessory for optimizing your shelving setup. Ideal for commercial kitchens and food service environments, this tie bar ensures your shelving remains secure and organized.