Peter Hess phKS9-02, Peter Hess® Therapy Singing Bowls - large heart bowl, The large heart bowl weighs about 1300 grams.The diameter of the bowl is around 21-22 cm, the height around 8,5cm. The sound of this bowl varies depending on the mallet used. Its frequencies especially appeal to the upper body parts. The large heart bowl was developed with professional use in mind. This bowl is made out of 12 metals., Mallet recommendation: phFS-2h / phFS-2w / phGS-5a / phGS-5KKS / phGS-d1