The Lean Re-rack cartridge facilitates the transportation of sheet metal between suppliers and manufacturers. Designed for safety and efficiency, this product has a robust design that effectively secures materials during handling and transportation. The patented re-rack pins play a dual role; they protect the materials during transit and enable efficient stacking, which boosts shipping efficiency by removing the need for wooden pallets. This saves material costs and reduces waste. The customizable cartridge can be adapted to a wide range of operational requirements.