The Sabine MT9000 & Korg CA-30 Tuners & Sieko DM-20 Metronome is a versatile and compact tuner and metronome combo designed for various types of guitars and bass instruments. With its lightweight and digital features, it is suitable for acoustic guitars, electric guitars, and bass guitars. The tuner and metronome functions in one device make it a convenient tool for musicians on the go. Built by trusted brand Korg, this tuner and metronome combo ensures reliable performance and accuracy for all your musical needs.