FixtureDisplays 12 Chromatic Black Tuner for Ukulele Guitar, Bass and Violin 15954. Designed for beginners and professionals. Easy tuning on stage, clip on style. Easily applied and adjusted with one hand. Standard tuning. Drop tuning. Fast and accurate. Easy and intuitive to use. 360 degree rotational screen - multi-angle view rotational clip design. Adjustable ratchet mechanism and reversible screen allows for placement on front or back of headstock. Measures 2.8 x 2 x 0.8 inches. Color is Black.