This is the M5 rotary stylus knuckle #A-5003-5278. Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment. It has a slewing range of 360 degrees and a swing range of 180 degrees.
| Knuckle Length (L) | 51.0 mm |
| Knuckle Diameter (D) | 11.0 mm |
| Mass | 19.0 g |
