12Note Silver Tuning Set with 440Hz Reference Why this product matters Provides a reliable pitch reference and a full set of 12 notes to support tuning, ear training, and practice. Solves inconsistent pitch and unreliable tuning methods by delivering a stable 440Hz standard for A4 alongside the other notes in the set. Compact and clearly organized so musicians and teachers can quickly access the notes they need. Key benefits Standard pitch reference: includes a 440Hz reference for consistent tuning to concert pitch. Complete 12note coverage: all 12 notes for a full octave, useful for chromatic tuning and ear training. Clear, ringing tone: designed to produce distinct notes that are easy to hear in practice and instruction settings. Silver finish: neutral appearance that is easy to identify and integrates with existing instrument tools and classroom kits. Function and compatibility Function: provides accurate pitch tones to tune instruments, check intonation, train listening skills, and set reference pitch. Compatibility: suitable for use with stringed instruments, wind instruments, pianos, electronic tuners, vocal practice, and music education environments. Size: 12 notes in the set, arranged for convenient selection and use. Practical attributes Color: silver finish for clear visual identification. Performance: consistent 440Hz reference for standard concert pitch and consistent relative tuning across the included notes. Usability: simple to operate and suitable for beginners through advanced users. Use scenarios 1) Instrument tuning before rehearsal or performance: use the 440Hz reference and the other notes to quickly tune strings, winds, or keyboard instruments to concert pitch. 2) Music classroom and ear training: instructors can demonstrate intervals, scales, and chromatic steps with the full 12note set to build students listening skills. 3) Studio and recording prep: verify instrument pitch and set a consistent reference tone before tracking to ensure uniform tuning across takes. What you get A 12note set finished in silver with a 440Hz reference note included for standard pitch. This product provides a straightforward, reliable way to establish and check pitch across a full set of notes, making tuning, practice, and instruction more efficient and consistent.