The Quantum Food Service QPSA is a Millenia Caster Stem Adapter designed to enhance your shelving system's mobility. Crafted in the USA, this durable accessory allows for easy attachment of casters to shelving units, providing smooth movement and flexibility in your workspace. Its robust construction ensures long-lasting performance, making it an essential addition for efficient food service operations. Ideal for both commercial and industrial settings, the QPSA adapter supports seamless transitions and optimizes storage solutions.