DBX1 Needles are also sold under these needle style numbers :

16X231, 16X257, 16X95, 1738, 1738A, 287WH, 71X1, DBX1, DBX257, SY2254, SY2270
Sewing machine manufacturers use different needle style numbers for the same exact needles.

Groz-Beckert® DBX1 needles are available in following sizes : 
Singer Size  9  (Metric Size 65) Singer Size 10 (Metric Size 70)Singer Size 11 (Metric Size 75)Singer Size 12 (Metric Size 80)Singer Size 14 (Metric Size 90)Singer Size 16 (Metric Size 100)Singer Size 18 (Metric Size 110)Singer Size 19 (Metric Size 120) Needle system changes to 16X95 (DBX95)Singer Size 20 (Metric Size 125) Needle system changes to 16X95 (DBX95)Singer Size 21 (Metric Size 130) Needle system changes to 16X95 (DBX95) Singer Size 22 (Metric Size 140) Needle system changes to 16X95 (DBX95)You will receive 100 needles in same size. Please choose from above sizes.
These top quality needles will fit many different models of sewing machines including :
Alfa : 121.101-401-500-503, 119.300
Artisan : 196R, 5500, 8500
Bernina : 117, 217-10, 217-20, 317, 517, 740, 850, 950
Brother  : B221, B484, B485, B735, B755, B652, B737, B764, B790
Consew : 38, 75, 77, 101, 102, 210, 215, 216, 217, 220, 230, 230R, 310,2 230R, C7630, 7630R-1
Econosew : DDL-5550, DDL-8500, DDL-8700
Feiyue : FY8500, FY8700
Gemsy : 8700
Janome : 1600P-DB, 1600P-DBX
Juki : DDL201, DDL-227, DDL-555, DDL-5530, DDL-5550, DDL-8300, DDL-8500, DDL-8700, DDL-8900, DDL-9000, DLN415, DLU5490, LZ-271, LZ-391N, MBH-180
Singer : 96 class, 103K, 120U, 172, 188K, 188U, 196K, 241, 245, 251, 281, 291U-3, 2491D
Tacsew : 950, DDL-5550, DDL-8500, T8700
Taiko : TK-505, TK-510
Toyota : AD156, AD157, AD338, D146, D147, D347, D348, D1422-42, D2432
Viking : M430, M431, M435, M435C, M440, M530, M535, M535C, M535D
Yamata : FY8500, FY8700

Groz-Beckert Needles 16X257  1738, 16x95, 16x231, 16x257, 71x1, 287 WH, DBx1, DBx257, 134, 135x5 Used in most single needle sewing machines.

Box of 100 Needles Available in the following sizes: 9 10 11 12 14 16 18 20 Available Points Sharp Ball Point