This M2 ruby ball styli #A-5004-2920. It features tungsten carbide stems.
Zirconia is a particularly tough ceramic material with hardness and wear characteristics approaching those of ruby. Its surface properties make it an ideal material for aggressive scanning applications on cast iron components.
| Thread mount (DG) | M2 |
| Ball Diameter (DK) | 0.5 mm |
| Length (L) | 20 mm |
| Stem Diameter (DS) | 0.3 mm |
| EWL (ML) | 7.0 mm |
| Ball material | Zirconia |
| Stem material | Tungsten Carbide |
| Mass | 0.48g |
