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Double the duration of audible vibration when using these Supertek™ Extra Heavy Aluminum Set of 2 Tuning Forks with Resonance Boxes. One adjustable tuning fork is weighed and can be adjusted over range of about 30 Hz. The other tuning fork is a 256 Hz 'C'.
Supertek™Aluminum Set of 8 Tuning Forks range from 256 Hz to 513 Hz. These superior grade tuning forks are individually tested to assure that the proper pitch is achieved. Middle C to C above middle C. Set includes a rubber tipped mallet to serve as an actuator.
This Supertek™ Musical Superior Grade 440 Hz 'A' Tuning Fork is non-magnetic, corrosion-resistant aluminum alloy construction for light weight and durability. Superior performance and consistent frequency accuracy. Delivers clear tone, longer sound and accurate tuning.
This Supertek™ Musical Superior Grade 349.23 Hz 'F' Tuning Fork is non-magnetic, corrosion-resistant aluminum alloy construction for light weight and durability. Superior performance and consistent frequency accuracy. Delivers clear tone, longer sound and accurate tuning.