C 256 Hz Tuning Fork Unweighted C 256 Hz Tuning Fork for Verdi Tuning High quality Tuning Fork for music, medical, science lab, calibration, healing, sound therapy, education, diagnostics Naturally vibrating 2 pronged tuning fork, engraved "C 256", made from non-rusting, non-tarnishing, non-magnetic aluminum alloy and will produce a pure tone even after many years of use with proper care. Free domestic shipping ,and it comes in a pouch Weighs 2.4 oz, 8.25 inches long. 256 Hz Tuning Fork for healing, root chakra pure tone, pythagorean tuning, Muladhara, sound healing