Mllusxg | Tuning Forks Set NWT Non-smoking home. As always I do my best to correctly describe items. Sold on Amazon and has 4.5-5 star reviews. Needs manual is reported. " Tuning Forks for Healing】 Weighted(128Hz, 136.1Hz) and unweighted (256Hz, 384Hz) tuning forks designed for sound healing, helping reduce stress, enhance focus to promote good health and wellbeing. 【Widely Applications】 Ideal for sound therapy, yoga meditation, stress relief, and music training. Perfect for Healers, Wellness practitioners and home users. 【For Beginners & Professionals】：It's the perfect kit for people dipping their toes into chakra healing; This starter set includes 128Hz, 136Hz, 256Hz, 384Hz a Hockey Puck Activator, and a Red Leather Pouch.Convenient to carry and store tuning forks. 【Premium Quality Material】：Crafted from high-grade aluminum alloy, each fork delivers a smooth, sustained tone. The ergonomic design makes it easy for beginners and sound enthusiasts to explore vibration in a calm and intuitive way."