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 Pioneer turntables:
PL-41
PL-41A
PL-41B
PL-41C
PL-41D
PL-41W
and the PA-100 tonearm
 
The geometric features are compliant with Pioneer specifications; see the first picture.
 
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.
Made in Scotland