Anthony? 244 - 330 Cubic Feet Oxygen/210 - 420 Cubic Feet Acetylene/100 lb Propane Built-in Firewall Series Cylinder Cart measuring 62 X 33 features 24 X 2 steel wheels with ball bearing. It includes a heavy-duty steel frame construction, triple baffle firewall partition, heavy gauge reinforced toe plate, large slotted locking toolbox and zinc plated safety chain.