It's always essential to have a simply reliable tuner to handwhether you're a student or a professional, and that's exactly what the TGI520GB Guitar & Bass tuner is. Using an efficient LCD display to mimic the traditional VU meter needle, tuning is accurate and easy to maintain. you can even share it with your band as with the press of a button, the tuner can be changed from a 6 string Guitar to Bass Guitar mode and back again.