1, High Speed BT SDC Collet BT30 BT40 SDC-6 SDC08 Pull Back Tool Holder for CNC Machine Center tool holder is packed by plastic box. 2, High Speed BT SDC Collet BT30 BT40 SDC-6 SDC08 Pull Back Tool Holder for CNC Machine Center Packed by carbon box. 3, Carbon boxes High Speed BT SDC Collet BT30 BT40 SDC-6 SDC08 Pull Back Tool Holder for CNC Machine Center are packed by pallet, which is for shipment by sea or by air.