The Vinyl Source 
For sale, a high precision arc protractor for cartridge alignment.
This protractor is made of 3mm High Glossy Black Acrylic Perspex, high-precision laser cut and engraved.
The arc protractor is the most accurate protractors for cartridge alignment; this one is designed for the following Audiocraft/Ultracraft tonearms:
  • AC-300MkII
  • AC-3000
  • AC-3300
  • AC-30
  • AC-33
  • AC-300
  • AC-300C
The geometric features are compliant with Audiocraft/Ultracraft specifications; see the first picture.
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.

Arc Protractor for Audiocraft/Ultracraft AC300MkII AC3000 AC3300 AC30 AC33 AC300