Tuning Fork, Boxed Set Of 8, 256 Hz To 512 Hz, 1 Each

The United Scientific® Tuning Fork, Boxed Set of 8, 256 Hz To 512 Hz by United Scientific is a boxed set of 8 aluminum alloy tuning forks, one each from 256 Hz to 512 Hz, in a wooden case with die-cut foam lining. A dual-ended mallet, hard on one side and soft on the other, works with every fork. Physics teachers use the set to demonstrate pitch, frequency, resonance and the speed of sound.