INDUSTRIAL NEEDLE (16X231BP-90)Description:1738-90, SY2270-90 16X257-90,DBX1-90, DBX257-90DB X 116X23116X257173890/14 SES / BPBernina Models:203, 204, 217 & 850Brother Serger Models:523N, M523, 523ND, 524N, M524, M525, M526, 526 526LCW & 526DElna Sewing Machine Models:7100Husqvarna Viking Serger Models: 234DJuki Sewing Machine Models:DDL-227, DDL-552, DDL-553, DDL-555, DDL-5550N, DDL-8300N & DDL-8700Pfaff Serger Models:794, 799,795, 796Singer Sewing Machine & Serger Models:31-15, 31-16, 31-19, 31-20, 31-35, 331K, 14U14, 14U52, 14U12, 14U22, 14U53, 14U13, 14U23, 2191D200A and 2191D300AWhite Sewing Machine Models:30516X231BP-90