United Scientific Tuning Fork Set with 13 Forks, Mallet, and Wooden Storage Case (TFBOX13) Standard Accessories:

Standard Accessories:

5KHz x 100-2KHz to150 KHz 23 frequency steps Output Control: 0 db

are arrayed in a circle on the outer edge of the PCB (printed circuit board)

chip resistors

United Scientific Tuning Fork Set with 13 Forks, Mallet, and Wooden Storage Case (TFBOX13) Standard Accessories:Tuning forks for use in science experiments involving sound wave physics Tuning forks with frequencies of 100, 128, 256, 288, 320, 341. 3, 384, 426. 6, 480, 512, 1,024, 2,048, and 4,096Hz Mallet has one hard end and one soft end for contact with tuning forks Comes in fitted wooden case The United Scientific TFBOX13 tuning fork set includes a mallet and tuning forks with frequencies of 100, 128, 256, 288, 320, 341. 3, 384, 426. 6, 480, 512, 1,024,