like Organ, 16x231, 16x257, 16x71, JLx1B and Juki DBx1 Needle Systems Available in Sizes 10, 11, 12, 14, 16, 18, 20, 22.
Specifications
Alternate Part Numbers: 08-10040, 287WK (287 WK), 763402079, DBXK, DBX1, 16X87, TEX1, 142935014, MDB-100B1400, 287, DBx1, DBx257, 16x231, 16x257, 1738, 2055, 2270, SY2270, 100265-0-31.


Guaranteed to fit Bernina Models:
203, 204, 217, 740, 850, 950

Guaranteed to fit Brother Serger Models:
523N, 523ND, 524N, 526, 526D, 526LCW, 634D, 834DP, DB2-B714, DB2-B716, DB2-B790-3, DB2-792, DB2-B793, LK3-B433, LK3-B434, LK3-B484, LK3-B700, LK3-B800, M523, M524, M525, M526

Guaranteed to fit Consew Serger Models:
105, 220, 7360RB, 99

Guaranteed to fit Elna Sewing Machine Models:
7100

Guaranteed to fit Husqvarna Viking Serger Models:
234D, 330D, 360D

Guaranteed to fit Janome Sewing Machine Models:
1600P-DB, 1600P-DBX

Guaranteed to fit Juki Sewing Machine Models:
DDL-227, DDL-552, DDL-553, DDL-555, DDL-5550, DDL-5550N, DDL-555-4, DDL-8300N, DDL-8500-7, DDL-8700, DDL-8700-B-7

Guaranteed to fit Mitsubishi Sewing Machine Models:
DB130

Guaranteed to fit Pfaff Serger Models:
794, 795, 796, 799

Guaranteed to fit Q'nique sewing machine models:
14+, 15R, 21

Guaranteed to fit Singer Sewing Machine and Serger Models:
103K, 14U12, 14U13, 14U14, 14U22, 14U23, 14U52, 14U52A, 14U53, 14U53A, 188K1, 19-10, 196K, 2191D200A, 2191D300A, 241-12, 241-13, 241-2, 241-3, 251-11, 251-12, 251-13, 251-2, 251-20, 251-22, 251-3, 31, 31-16, 31-19, 31-20, 31-35, 331K, 331K1, 331K4, 44, 451KX31, 451KX41, 451KX42, 96, 96K

Guaranteed to fit White Sewing Machine Models:
305
Carol, Michigan
I am very happy with all my purchases.