Series 140 Truck, Holds 9 1 4 in to 10 1 2 in Cylinders, 10 in Solid Rubber, Ball Bearing Wheels no checkout Rubber gasket on the inside Rubber gasket on the inside of the holder eliminates all concern of friction and noise Holder is hinged and swings back giving you access to the tank much quicker and easier than chains and makeshift methods H Arbor Diam [Nom] 7 8 in Big Catalog NO Body Material Phenolic Backing Brand Weiler Catalog MPI Catalog Color Dark Gray Construction Catalog NO Country of Origin US Dia Welded on tool boxes are standard on all three sizes of trucks in this series Hose hooks and welding rod holder tubes provide greater utility Handles small medium and large cylinders Deluxe Models have refinements and features such as handle bars with hand grips for better control and stability when moving the loaded unit