Cartridge Adjustment Protractor - Check and adjust the angle of the cylinder and needle. Acrylic Record Accessories - The scale on the calibration plate is clear and helps you immediately identify the result of the stylus offset. Acrylic Adjustment Tool - Cutting and printing production using pure white acrylic plate, reliable quality. Turntable Phonograph Protractor - Practical and beautiful with simple color matching. Acrylic Pickup Calibration - A good tool to check whether the rotation speed and angle of the vinyl record is correct, use high-precision test anti-slip gauge ruler, very good results.
