Secure and organize your gas cylinders with this heavy-duty steel holder rack. Designed for safety and convenience, it can be wall-mounted or floor-fixed and includes an adjustable chain to lock cylinders firmly in place—ideal for welding, medical oxygen, or industrial gas storage.Gas Cylinder Racks are suitable for both outdoor and indoor use, and can be used to store helium, hydrogen, acetylene, and other various cylinders and tanks safely. Specification: Material: Steels; Color: Blue; Capacity: 1/2/3 x 40 L Cylinder; Inlet Diameter: 25 cm/9.8 in; Length: 35 cm/13.8 in, 65 cm/25.6 in, 95 cm/37.4 in; Fixing Hole Diameter: 10 mm; Installation: Wall-Mounted; Use: Store nitrogen, hydrogen, acetylene & other gas cylinders. Features: 1. Can store any 40 L gas cylinder. 2. Keeps cylinders organized and saves space. 3. Made of tough steel for long-lasting durability and safety. 4. Keeps cylinders securely upright for easy storage and transportation. Package Includes: 1 x Gas Cylinder Fixed Rack (Note: Cylinders are not included). Tips: 1. Manual measurement, there will be 1-3 cm error, please understand. 2. Due to light and personal differences in color understanding, there will be small color difference, the actual product prevails.