Profile PT-1600 Mini Chromatic Tuner, Clip-On, for Guitar / Bass / Violin / Ukulele C / Ukulele D, Black. The Profile PT-1600 is a convenient mini chromatic clip tuner that allows for easy and accurate tuning of guitar, bass, violin, ukulele in C, and ukulele in D. Small footprint makes it easy to clip on to a variety of headstocks.LCD screen is easy to read. Tuner will switch off after 3-minutes of inactivity, adding extra convenience on stage. 440hz pitch range