OEM Blue Push Back Pallet Racking - 5 Deep LIFO High Density Storage System Push back pallet racking is a high density LIFO storage solution. This OEM blue version stores pallets 5 deep in a single lane using nested steel carts that ride on inclined rails, allowing forklifts to load and unload from one aisle while maximizing warehouse cube utilization. Key Features 5 pallets deep per lane for maximum storage density with limited SKU counts OEM custom design: frame size, beam