Professional 13-Piece High-Grade Aluminum Piano Tuning Fork Set - Chromatic Tuning Forks for Musicians, Sound Therapy & Instrument Calibration (Perfect for Piano Tuners, Music Teachers & Sound Healing)

* High Grade Aluminium piano tuning forks. * 13 Aluminium forks in the temperament octave from C-261.6 to C-523.3. * Forks vary in length from 5-5/32" to 6-1/2" long. * Highest end tuning forks/professional quality. * 13 Pieces Musical Tuning forks including 8 Standard Music Tuning Forks and 5 Sharp Music Tuning forks. * Consists of 13 High Grade Aluminium forks in the temperament octave from C-261.6 to C-523.3 (see below). C - 261.6 C# - 277.2 D - 293.7 D# - 311.1 E - 329.6 F - 349.2 F# - 370 G - 392 G# - 415.3 A - 440 A# - 466.2 B - 493.9 C - 523.3.