This MGT-99 Mark II Guitar Quartz Tuner is an essential accessory for any bass or electric guitar enthusiast. With its easy-to-read VU meter, you can quickly and accurately tune your instrument. This tuner is suitable for both bass guitar and electric guitar and is designed to work with the Mark II brand. Its compact size makes it easy to carry around, and its robust construction ensures that it will last for years to come. This tuner is perfect for both beginners and experienced players alike, and it is a must-have accessory for any guitar or bass player.