Compatible with Various Tanks: Our refrigerant tank rack features adjustable holes at the front and back, allowing you to customize shelf and stopper heights based on tank sizes. The rack measures 372x355x1170 mm (14.64x13.97x46.06 inch), accommodating standard bottle tanks weighing 30 to 50 lbs. Maximize space utilization while ensuring proper storage. 50 lbs Loading Capacity/Tier: Made of 1.5mm thick carbon steel with a protective powder coating, this cylinder tank rack offers excellent corrosion resistance and durability. Each tier can support up to 50 lbs/22.7 kg. The reinforced design enhances stability, withstands impacts, and ensures long-term safety. Secure Transport: Tilted storage shelves prevent tank sliding, reducing the risk of accidents. Carbon steel fixing bars on both sides are designed for transportation vehicles, with pre-drilled holes for various carriages. And the tanks securely attach to the vehicle without shifting using included screws, ensuring safe transport. Quick Fixation Design: Thick nylon straps and carbon steel hanging rings enable quick tank securing. Simply thread the strap through the tank handle, adjust the length, and hang it on the rings. Lightweight yet durable nylon material offers excellent strength and abrasion resistance for long-term safety. Easy Installation: Our well-designed refrigerant cylinder rack features straightforward assembly. Start by assembling the four frame sides, then adjust the shelf and backstop to fit tank size. The clear and detailed instruction manual makes assembly easy, even for beginners. Complete installation accessories are provided for added convenience, ensuring a hassle-free setup!