16x231 / 16x231 SES Ball Point. Flat Machine Jersey / Ball Point Industrial Sewing Machine Needles 16x231-SES-SZ / DBx1 SES / 1738 (A) SES / 287 WH SES. Flat Machine Universal (Regular) Industrial Sewing Machine Needles 16x231-SZ / DBx1 / 1738 (A) / 287 WH.
