Accessory type: Maintenance kit
- Check turntable speed for 33 1/3, 45, and 78 RPM
- Supports power frequencies of 50 Hz and 60 Hz
- Built-in overhang gauge from 10 to 20 mm for cartridge adjustment
- High-contrast black markings on a silver disc
- Compact design covers only the record label
- Precise speed determination for optimal sound quality