This is the M3 disk and hollow ball styli #A-5000-7814.
Hemispherical styli are designed for the inspection of rough surfaces and deep features, such as bores. Ceramic tips are lightweight, hardwearing and non-magnetic.
| Thread mount (A) | M3 |
| Length (L) | 17.0 mm |
| Diameter | 30.0 mm |
| Stem material | Stainless Steel |
| Mass | 13 g |
