Musical Instrument Tuning Helper: The toning fork is mainly used for various musical instruments to tune, determine the standard tone, emit a clear and accurate tone. Tone fork is essentials for every musical instrument lover. Precise Frequency: The violin guitar tuning fork is processed by lathes, milling machines, grinders, etc. The frequency can be accurate to two decimal places, make the instrument emit a standard tone. Aluminum Alloy Material: The tuning forks music is made of high-quality aluminum alloy, sturdy and durable, non-magnetic, light weight, corrosion-resistant, not easy to rust, finely polished and electroplated, and has a long service life. Widely Application: Toning fork set are widely used in various tunable musical instruments, especially stringed instruments, such as violin, guitar, erhu, ukulele. Not only a convenient tool for tuning stringed instruments, but also singing practice. Package Includes: You will get 3PCS tuning fork for guitar, 4*5*85mm, you can use aluminium tuning forks to replace an old or broken tuning fork, or give tuning fork to your music teacher or a friend who loves musical instruments as a gift. ›See more product details