This the M5 four way cube stylus #A-5555-0072. It has a titanium base, tungsten carbide stem, and ruby ball.
| Thread mount | M5 |
| Ball diameter (DK) | 2.5 mm |
| Overall length (L) | 45.0 mm |
| EWL (ML) | 8.0 mm |
| Stem diameter (DS/DS1) | 2.0 mm / 1.5 mm |
| Base diameter (B) | 15 mm |
| Ball Material | Ruby |
| Stem Material | Tungsten carbide |
| Mass | 17.3 g |
