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 precise protractor for cartridge alignment. This one is designed for the Graham Phantom II Supreme tonearm.
 
Supplied with exhaustive instructions.
 
We also make custom protractors according to the client's specifications