Snark ST2 "Super Tight" tuner
The red ST-2 Super Tight Clip-On All Instrument Tuner from Snark is a clip-on tuner that utilizes a high-sensitivity vibration sensor or an internal microphone and a full-color display that rotates 360°. This update to the original SN-2 tuner boasts a faster and more accurate tuning chip with a higher-definition display. It can be used to tune any instrument.