This is the M2 tungsten carbide stylus for Zeiss #A-5555-0309. It has a stainless steel base, tungsten carbide stem, and ruby ball.
Thread mount | M2 |
Ball Diameter (DK) | 1.0 mm |
Length (L) | 15.5 mm |
Base Diameter (DG) | 3.0 mm |
EWL (ML) | 11.5 mm |
Stem Diameter (DS) | 0.8 mm |
Stem material | Tungsten Carbide |
Mass | 0.3 g |