BD-5114EXT-E-PL BD-3216EXT-E/PL Full Automatic 5 Thread Upper-Lower Feeding Overlock BD-3216EXT-435-E/PL Full Automatic 5 Thread Jeans Upper-Lower Feeding Overlock BD-5114EXT 4 Thread Upper-Lower Feeding Overlock BD-3216EXT 5 Thread Upper-Lower Feeding Overlock BD-3216EXT-435 5 Thread Jeans Type Upper-Lower Feeding Overlock