This is the M3 stainless steel stylus extension #A-5555-0288.
Extensions can be used when measuring very deep features and bores or probing points that are difficult to access. This stainless steel extension offers superior rigidity and is ideally suited to applications where weight is not an issue. It is also a machine checking gage accessory.
| Thread mount | M3 |
| Length (L) | 50.0 mm |
| Stem Diameter (D) | 4.0 mm |
| Stem material | Stainless Steel |
| Mass | 4.7 g |
