1, Spring Collet OZ25 OZ Collet Chuck Set for OZ Collet Chuckr are packed by film and plastic box, also will be stored before shipment. 2, Spring Collet OZ25 OZ Collet Chuck Set for OZ Collet Chuck batches are packed by carbon box. 3, Carbon boxes Spring Collet OZ25 OZ Collet Chuck Set for OZ Collet Chuck are packed by pallet, which is for shipment by sea or by air.