Eisco Labs Scientific Steel Tuning Forks, Set of 8 (Scientific Pitch, C4 = 256Hz) with Wooden Case - Designed for Physics Experiments music_update_2020 Other FeaturesBuilt-in high sensitivity condenser

Other FeaturesBuilt-in high sensitivity condenser microphone Excludes AMP&Not supported PHONE

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All the advantages of both styles are now in one design

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Eisco Labs Scientific Steel Tuning Forks, Set of 8 (Scientific Pitch, C4 = 256Hz) with Wooden Case - Designed for Physics Experiments music_update_2020 Other FeaturesBuilt-in high sensitivity condenserEisco Labs Scientific Steel Tuning Forks, Set of 8 (Scientific Pitch, C4 = 256Hz) with Wooden Case Designed for Physics Experiments EISCO Steel Tuning Forks, Set of 8, in Wooden Case(8) Tuning ForksNickel plated, plain shanks, with frequency marked, C (256), D (288), E (320), F (341), G (384), A (426), B (480), C (512). Set supplied in wooden case. Steel tuning forks for physics experiments Supplied in wooden case