This is the M5 styli for Zeiss #A-5555-3779. It is a tungsten carbide styli with a titanium base, tungsten carbide stem, an silicon nitride ball.
| Styli | M5 |
| Stylus Base Width (DG) | 11.0 mm |
| Ball Diameter (DK) | 1.0 mm |
| Overall length (L) | 30 mm |
| Stem diameter (DS1/DS) | 0.8 mm/1.0 mm |
| EWL (ML1/ML) | 5 mm/20 mm |
| Stem material | Tungsten Carbide |
| Mass | 3.5 g |
