| Length butt to eye | 389 mm |
| Shank diameter | 2.0 mm |
| Customary needle designations | UOX 121 J, UYX 121 J, 62X21 SES, DVX1 J, 1628 SES, SY 7279, SY 3506, 3001 SES |
| Canu designation | 36:05 |
| Further point designations | R K, TB, SIN, B, NYR, J BALL, SES, BPL, L BALL |
| Needle form description | Straight needle with double groove |
| Technical sewing application | Cover chain stitch, Double chain stitch |
| Stitch type class | 600, 400 |
| Recommended for | Woven fabrics, Fine knitwear |
| Examples of use | Shirts, Underwear, Blouses |
| Coating | Chromium |
| Needle size | 0.75 Nm |
| Point style | FFG - Cloth point |
| Needle system | UY 121 GHS |
| Needle system variant | GHS |