Portable Storage Shelves with Rolling Design, Heavy-Duty Metallic Structure for Maximum Capacity, Ideal for Garage, Kitchen, and Basement Use (black, 4-Tier)

• 【Instant Mobility Rack】This pre-built shelf features a seamless setup in mere seconds, ensuring effortless installation. Move around smoothly with its 4 wheels and fold it for compact storage when not in use. • 【Durable Steel Construction】Engineered from strong steel, this shelf guarantees resistance to rust, corrosion, and exceptional stability. Supports up to 600 pounds without wheels (120 lbs per shelf) or 300 pounds with wheels (60 lbs per shelf). • 【Optimal Space Utilization】Measuring 71 x 34 x 126cm (with wheels open), its tiered height maximizes storage capacity while maintaining tidiness. When folded (with wheels),8 x 34 x 126cm, effortlessly fitting under beds or behind doors, saving valuable space. • 【Secure Rolling Casters】Equipped with 4 360° swivel rubber wheels, two of which have brakes, offering smooth mobility and firm anchoring. The mesh side panels ensure item safety, preventing any mishaps. • 【Multipurpose Storage Solution】Suitable for various environments like homes, garages, commercial spaces, and more, this versatile shelf efficiently stores tools, books, and other bulky items, streamlining organization.