This is the M4/M3 ceramic stylus adaptor #A-5000-7751. Stylus adaptors are designed to allow styli with different thread sizes to be built into stylus configurations. A ceramic stem is lightweight yet very stiff and offers built-in crash protection.
| Thread mount (A) | M4 |
| Overall length (B) | 50.00 mm |
| Stem diameter (D) | 4.50 mm |
| Mount to (C) | M3 |
| Stem material | Ceramic |
| Mass | 4.4 g |
