Trombone Tuner Pack - Snark SN8 Super Tight All Instrument Tuner Includes Bonus Trombone Cleaning Cloth Trombone Tuner Pack includes Snark SN8 Super Tight All Instrument Tuner and Bonus Trombone Cleaning Cloth Super Tight Tuning and Faster Brighter EZ Read Display and Display Rotates 360 degrees Tap Tempo Metronome with Pitch Calibration and Transpose Features Microfiber cleaning cloth provides easy cleaning; removes dust, dirt, smudges, and fingerprints.