| Length butt to eye | 291 mm |
| Shank diameter | 2.02 mm |
| Customary needle designations | MRXR1 9 B, TLX1 B, TLX5 B, 60 MH SUK, 60 MSD SUK, 60 M SUK, 151X1 SUK, SY 1271, 151X5 SUK, SY 1268, MRXR1 B, TLX7 B, MY 1517 SUK |
| Canu designation | 04:25 |
| Further point designations | SI, R SUK, U, LAC, BPM, R KB, M BALL, B BALL, SUK |
| Needle form description | Curved needle with one flat on the shank |
| Technical sewing application | Overlock stitch |
| Stitch type class | 500 |
| Recommended for | Woven fabrics, Flat-knitted fabrics, Knitwear |
| Examples of use | Pullovers, Bandages |
| Coating | Chromium |
| Needle size | 0.8 Nm |
| Point style | FG - Cloth point |
| Needle system | 151X7 |