The Metro MQTTM21C Track Shelving Kit is designed for efficient storage and mobility. This kit features four 74-inch epoxy-coated steel posts that provide durability and resistance to corrosion. It includes chrome-plated rigid casters for smooth movement and stainless steel caster channels for added strength. Bumpers and roller assemblies are included to enhance safety and functionality. Please note that shelves are sold separately. This unit is NSF certified, ensuring it meets strict public health standards for food storage and handling.