CHROMATIC CALIPER TUNER Tweezer tuner with special clip and dedicated mode for violin and viola to tune to perfect fifths. Long-lasting battery with 100 hours of continuous operation. High-brightness color LCD screen. Ultra-precise tuning of +/- 0.1 hundredth. Three standard measurement modes, strobe and semi-strobe. Clip mechanism with great pulling force and flexibility. Weight 36 grams (including battery).