This is the M2 ceramic stylus extension #A-5003-0070.
Extensions are designed to be used when measuring very deep features and bores or when probing points with limited access. Ceramic extensions are lightweight yet very stiff and offer built-in crash protection.
| Thread mount | M2 |
| Length (L) | 30.0 mm |
| Stem Diameter (D) | 3.0 mm |
| Stem material | Ceramic |
| Mass | 0.97 g |
