The Metro MQTTM21S Track Shelving Kit is designed for efficient storage and mobility. This unit features four 74-inch epoxy-coated steel posts that provide durability and resistance to corrosion. It includes stainless steel rigid casters and caster channels for smooth movement, along with bumpers and roller assemblies for added protection and stability. The kit is NSF certified, ensuring it meets strict public health standards. Shelves are sold separately, allowing for customization based on your storage needs. Ideal for various environments, this mobile unit enhances organization and accessibility.