This is the stainless steel grooved washer for star styli #A-5555-0091. These slotted discs are part of the M5 clamping system and used to clamp and position styli and pins to assemble star styli.
| Disk diameter (D) | 11.0 mm |
| Disk Width (B) | 2.0 mm |
| Mass | 1.0 g |
