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 JVC turntables:
JL-B41
JL-B44
JL-B55
JL-B77
QL-5
QL-7
QL-A7
QL-8
QL-10
QL-Y3F
QL-Y5F
QL-Y7
 
The geometric features are compliant with JVC specifications; see the first picture.
 
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.