[Aluminum Alloy] Lightweight and high strength, easy to carry, maintains stable temperature, long service life, non-magnetic, provides pure and stable sound quality with accurate frequency response suitable for various applications [Multi-purpose Tuning Fork for Healing] Can be used for musical instrument tuning, music education, medical applications, and sound therapy. Promotes deep relaxation, enhances concentration and cognitive function, helps relieve stress, supports emotional balance, and facilitates yoga and meditation practices [Extra Long Handle and Two Sound Activators] The extended handle allows for easier handling and reduces user fatigue. The activators enhance the amplitude and duration of the tuning fork's vibrations, delivering a more consistent and sustained sound output [Gift] Features a unique design and appealing sound characteristics. A practical tool for musicians, medical professionals, yoga instructors, and meditation enthusiasts seeking relaxation and holistic wellness Color: Silver & Black Material: Aluminum Alloy Package Contents: 4 x Tuning Fork (128Hz, 136.1Hz, 256Hz, 384Hz) 1 x Tuning Fork Activator 1 x Wrench 1 x Cleaning Cloth 1 x Hammer (Colors and styles are random, no specific selection available) Only the above items are included; other products are not part of the package Note: Lighting effects and display settings may cause slight variations between the image color and the actual product. Measurement may vary by +/- 1-3 cm