Check the listing for details. Planet Waves A Tuning Fork for Accurate A440 Instrument Tuning Easy Grip. Color: Tone A, Condition: New. Listed at 19.79 USD. Planet Waves A Tuning Fork for Accurate A440 Instrument Tuning Easy Grip Description: Product Description The Planet Waves "A" Tuning Fork makes it easy to tune any instrument by ear by providing an extremely accurate A440 reference Pitch. Perfect for tuning all instruments from guitar and bass to band and orchestra instruments. From the Manufacturer The Planet Waves "A" Tuning Fork makes it easy to tune any instrument by ear by providing an extremely accurate A440 reference Pitch. Perfect for tuning all instruments from guitar and bass to band and orchestra instruments. The Planet Waves Tuning Forks provide an extremely accurate reference pitch for tuning all instruments by ear. The ergonomic comfort handle is easy to hold while striking and placing on any instrument or vibrating surface. The convenient size makes it easy to store in any instrument case. Available for both A440 and E 329.6. Planet Waves, part of the D'Addario family of brands, is known for innovative, problem-solving, quality musical accessories. Planet Waves offers a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more. Features: Precision-designed to offer extremely accurate tuning (A 440 Hz)Molded, ergonomic comfort handle is easy to holdColor-coded O-rings allow easy key identificationFits easily in any instrument caseDurable chrome plated finish