For sale, a high-precision arc protractor for cartridge alignment.
This protractor is made of 3mm high-quality acrylic, coated with a yellow film, and high-precision laser-cut and engraved.
The first picture is for reference only; the real protractor looks like the one in the second and third pictures.
The arc protractor is the most accurate protractor for cartridge alignment; this one is designed for the following Roksan tonearms:
Artemiz
Tabriz
Nima
Pug
Radius 5
Radius 5.2
Radius 7
The geometric features are compliant with Roksan specifications; see the first picture
Supplied with exhaustive instructions.