This is the M3 1/2 star styli #A-5004-3284. It is made of thermo stable carbon fiber XXT and has a titanium base, thermo stable carbon fiber stem, and ruby ball.
| Styli | M3 |
| Ball Diameter (DK) | 3.0 mm |
| Length (L) | 40.0 mm |
| Base Diameter (DG) | 5.0 mm |
| EWL (ML) | 31.0 mm |
| Stem Diameter (DS) | 2.0 mm |
| Stem material | Thermo Stable Carbon Fiber |
| Mass | 1.6 g |
