This storage rack features a sturdy alloy steel structure with a black finish, which is not only durable but also effectively resists dirt accumulation and corrosion, ensuring long-term worry-free use. Each shelf is equipped with leveling feet, which can evenly bear 250 pounds (130 pounds with wheels), with a total load capacity of up to 1250 pounds. At the same time, the shelf height can be freely adjusted in 1-inch increments, equipped with 4 leveling feet to ensure stability, and 4 casters for flexible movement. Whether it is the kitchen, office, garage or bathroom, this storage rack can significantly improve storage efficiency and meet your organization needs in different spaces.