The Korg CA-1 Compact Chromatic Multiple Instrument Tuner is a small Solo Tuner designed for bass guitars. Its compact size makes it easy to carry and use on the go. Made of durable plastic in a sleek white color, this tuner is suitable for musicians looking for a reliable and convenient tool to keep their instrument in tune. With its brand reputation and quality features, the Korg CA-1 is a popular choice among guitar players and musicians.