Compact easy to use and reliable'. '.strtoupper('t')he boss tu 03 is a high performance chromatic tuner with an advanced metronome built into one little piece of essential kit'. '.strtoupper('y')oure certain to find the tu 03 useful whether rehearsing performing live or recording.the boss clip on tuner is designed to clip on to most stringed instruments including a guitar bass or ukulele'. '.strtoupper('c')lip on to your headstock and choose from five different tuning modes including chromatic guitar bass ukulele and violin.an advanced metronome offers either patterns and ten beat variations perfect for improving your timing'. '.strtoupper('f')urthermore its spring loaded clip and flexible pad ensures secure and stable attachment to your headstock'. '.strtoupper('t')his high performance boss tuner combines incredible tuning accuracy with a compact unit that is designed and built to last.