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 protractors for cartridge alignment; this one is designed for the following Audio-Technica tonearms:

• AT-1001

• AT-1003

• AT-1005

• AT-1007

• AT-1009

• AT-1010

• AT-1100

• AT1120

• AT1130

The geometric features are compliant with Audio-Technica specifications; see the first picture.

It is supplied with detailed instructions.

We also make custom protractors to the client's specifications.