This is the M2 star stylus center #A-5000-3609.
These provide maximum probing flexibility with a single probe. Taking up to five styli of the same mounting thread, this accessory allows you to build stylus configurations to your own specification.
|Thread mount (DG)||M2|
|Overall length (L)||16.3 mm|
|EWL (ML)||12.0 mm|
|Stem diameter (DS)||1.4 mm|
|Ball diameter (DK)||2.0 mm|
|Stem material||Stainless Steel|