Cylinder Carts dimensions (WxDxH): 35"w x 21.5"d x 62"h. Cylinder Dolly Features: OSHA, NFPA (UFC) & CGA compliant. Firewall barrier. Tool tray for holding equipment. 16" pneu wheels with steel hubs and no-flat additive complete with 3/4" ball bearings (wheel dimensions 16" x 4") Continuous handle.