Feature: 1. Perfect for obtaining accurate musical pitch. 2. Nice for any choir teacher, or groups doing a capella. 3. Provides a pitch reference for musicians without absolute pitch. 4. Scale is arranged in sequence and clearly marked by note notations on covers. 5. Metal surface, full octave circular type chromatic pitch pipe with rotary pitch selector. 6. Small equipment with chrome-plated casing for durability. 7. Suitable for tuning violin, ukulele, acoustic guitar, ice hockey, mandolin, banjo, bass, etc. Specification: The pitch tube tuner can correctly check the high and low sounds. By correcting the tones, the tones will have more colors and the sound will be clearer, helping you prepare for the concert. Features: Perfect for obtaining accurate musical pitch. Nice for any choir teacher, or groups doing a capella. Provides a pitch reference for musicians without absolute pitch. Scale is arranged in sequence and clearly marked by note notations on covers. Metal surface, full octave circular type chromatic pitch pipe with rotary pitch selector. Small equipment with chrome-plated casing for durability. Suitable for tuning violin, ukulele, acoustic guitar, ice hockey, mandolin, banjo, bass, etc. Specifications: Main color: silver Material: metal Diameter: 64mm / 2.5in Tone: C Item weight: 30g / 1.1ounce Package size: 90 * 90 * 20mm / 3.5 * 3.5 * 0.8in Package weight: 45g / 1.6ounce Package list: 1 * Tuner Package List: 1 * Tuner