Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

• Set of 8 or 13 tuning forks
• Storage pouch and activator included

The set of eight contains the following frequencies: 261.6, 293.7, 329.6, 349.2, 392.0, 440, 493.9 and 523.2. The set of 13 contains the following frequencies: 261.6, 277.1, 293.7, 311.1, 329.6, 349.2, 369.9, 392.0, 415.3, 440, 466.1, 493.9 and 523.2.