This is the styli for swiveling components #A-5555-0120. It has a tungsten carbide stem, S4 steel ball, and a ruby ball. Styli with a spherical disc as probing element.
| Thread mount | M5 |
| Ball diameter (DK) | 2.0 mm |
| Overall length (L) | 28.5 mm |
| EWL (ML) | 24.5 mm |
| Stem diameter (DS) | 1.5 mm |
| Ball Material | Ruby |
| Stem Material | Tungsten Carbide |
| Mass | 1.0 g |
