1,Freestanding Oxygen Tank Cart Dolly： Movable Gas Cylinder Rack:Oxygen storage rack with handles and wheels for easy storage and transportation. You can easily move it wherever you want. 2,Freestanding Oxygen Tank Cart Dolly: Sturdy Cylinder Holder Bracket:Our heavy-duty gas cylinder racks are made of aluminum alloy, rust resistant, and thickened and reinforced to ensure maximum durability against chips and scratches. 3,Metal Bottle Handcart： Arc Design:The curvature of oxygen cylinder stand is in line with the curvature of the oxygen cylinder, which can tightly fit the cylinder body, keep the cylinder upright and prevent it from shaking. 4,Heavy-Duty Oxygen Tank Carrier： Widely Used:Oxygen cylinder rack is suitable for home/ hospital/ laboratory/ factory/ school. It is ideal for storing various gas cylinders such as coal gas, oxygen, nitrogen and acetylene. 5,Heavy-Duty Oxygen Tank Carrier： Adjustable Protective Chains:Oxygen tank rack is equipped with adjustable protective chains, you can adjust the length of the straps according to your needs. It holds cylinder tightly in place so that it won't slip out even if cylinder is tilted.