Home steel 3-door locker: High quality cold-rolled steel. Acid washing,phosphorizing, powder coating. Knock-down. Home steel 3-door locker: 1. High quality cold-rolled steel, 0.5mm-0.8mm thickness.2. Rust-proofing treament. Acid washing,phosphorizing and coating with powder.3. Knock-down structure, easy to assemble.4. Various colors and sizes are available, practical and durable.5. Different ...