PREMIUM QUALITY MATERIALS: Crafted from high-quality carbon steel. This series of storage shelves has 19.1mm pipes, which greatly improves its load-bearing capacity, and ensures its stability and durability. Each shelf holds up to 250 LBs on feet (While on wheels, the total capacity of the shelving unit is approximately 300LBs SPACE MAGICIAN: This storage shelf is exquisitely designed to maximize efficiency in small spaces. Its multiple wire shelves provide ample vertical storage capacity, making it an ideal choice for narrow areas or corners. VERSATILE DESIGN: The shelving units offer incredible versatility. It is suitable for use in a garage, balcony, pantry, and kitchen.