Stretton Payne Clip On Chromatic Tuner5 Modes - Chromatic Guitar Bass Violin Ukulele The Stretton Payne chromatic clip on tuner is a clever little device. It has an intelligent traffic light display to help you accurately tune your instrument. It has 5 modes that make tuning a guitar, bass, violin or ukulele really simple. The chromatic mode allows you to tune any note which is really handy for down tuning. The chromatic mode makes this tuner incredibly versatile as you can use it to tune almost any instrument. It is very simple to use and makes tuning your instrument a breeze. Its advanced features make it a handy device for any musicians tool kit.