| Length butt to eye | 339 mm |
| Shank diameter | 1.62 mm |
| Customary needle designations | 71X1 SUK, 1738 SUK, 16X257 SUK, DBX1 B, DLX1 B, 16X231 SUK |
| Canu designation | 14:25 |
| Further point designations | SI, R SUK, U, LAC, BPM, R KB, M BALL, B BALL, SUK |
| Needle form description | Straight needle with single groove and scarf |
| Technical sewing application | Double lock stitch |
| Stitch type class | 300 |
| Recommended for | Woven fabrics, Flat-knitted fabrics, Knitwear |
| Examples of use | Pullovers, Bandages |
| Coating | DUR |
| Needle size | 1.0 Nm |
| Point style | FG - Cloth point |
| Needle system | DBX1 |