1, China Factory BT40 Drill Chuck 13mm Keyless Drill Chucks for EDM Machine is packed by film and plastic box, also will be stored before shipment. 2, China Factory BT40 Drill Chuck 13mm Keyless Drill Chucks for EDM Machine batches are packed by carbon box. 3, Carbon boxes China Factory BT40 Drill Chuck 13mm Keyless Drill Chucks for EDM Machine are packed by pallet, which is for shipment by sea or by air.