Version:
Open semicircular graduated arc with graduation 0 − 180°; reading 1°. Non-glare matt chrome-plated scale. With clamping nut.

Cataloge:https://drive.google.com/file/d/1ySQO7TP-FPYkqSx1mbOFMPjPTF59vQrw/view?usp=drivesdk