BD-5214EXT/DD BD-3216EXT-W-ATE Full Automatic 5 Thread Upper-Lower Feeding Overlock BD-3216EXT-A04-435-ATE Full Automatic 5 Thread Jeans Upper-Lower Feeding Overlock BD-5214EXT-03/333/DD 4 Thread Upper-Lower Feeding Overlock BD-3216EXT-03/233-W/DD 5 Thread Upper-Lower Feeding Overlock BD-3216EXT-A04/435/DD 5 Thread Jeans Type Upper-Lower Feeding Overlock