the otto tuning forks are tuned to the frequencies of 32hz 64hz and 128hz. They vibrate at a low pitch due to their weighted prongs and are primarily used for relaxation and grounding. set of 3 'weighted' tuning forks. comes with a blue velvet pouch. c note on 32hz: works with skin and hair to stimulate nerves and hair. Good for grounding. c note on 64hz: helps loosen sacral ligaments and stimulates and balances the sympathetic and parasympathetic nervous systems. Useful in trauma relief and grounding. c note on 128hz: is used for grounding and relaxation. about the product length of the forks range from 21 to 375 cm tuned within a ±025% deviation margin comes in a blue velvet pouch size 39x11cm weighted tuning forks these forks work more on the physical level. one can feel the vibration more strongly and at a deeper level when its stem is placed on the body. This is due to the weights at the end of each prong. the sound lasts longer but is softer and more diffused. they are heavier in weight. they are shorter in length than the same fork in unweighted type. these are excellent to use for pain relief reducing inflammation and inducing relaxation. they are normally placed on the body or by the ears. to tone them one can simply tap them on the palm of the hand or use the tuning fork activator. the weighted tuning fork has round weight at the end of each prong. unweighted tuning forks these forks work more delicately on a subtle level. they move in a physically lesser motion. The feeling of the vibration is more subtle when its stem is placed on the body. the sound does not last as long but is sharper and more crystallised. they are lighter in weight. they are longer in length than the same fork in weighted type. these are excellent to use for mental and emotional balance improving the energy field improving physical health and promoting spiritual uplifting helping to create inner harmony and wholeness. these forks are placed around the body or by the ears. to tone them one could gently tap two forks together or strike them on the tuning fork activator. the unweighted ends are straight.
