10" Diameter Blue/Throat Chakra Colored Crystal Singing Bowl With 9" Wooden Rubber Mallet and Rubber Ring Base Included. Tuned to 432Hz. Each bowl is tuned to a specific note often used in sound therapy, meditation, and energy healing practices to promote relaxation, balance chakras, and facilitate spiritual growth and well-being. The 10-inch diameter Throat Chakra Crystal Singing Bowl is a stunning instrument meticulously crafted to harmonize and balance the energy associated with the Throat Chakra. This crystal singing bowl produces resonant tones that create a transformative and expressive vibrational experience.