[Tuning Fork Set] The therapeutic tuning fork is machined from aluminum alloy, precisely tuned to within 0.5% of the specified frequency, and produces a clear, long-lasting tone that resonates deeply through the body. This set supports general well-being and relaxation. [128Hz Tuning Fork] Weighted tuning fork commonly used for hearing tests, neurological assessments, and personal relaxation. Can be applied near the ears or on various body areas to support muscle and joint comfort. [136.1Hz Tuning Fork] Weighted tuning fork designed for meditation and relaxation. Can be used near the ears or on muscles and joints to help relieve stress. Suitable for use on knees and feet. [528Hz Tuning Fork] Tuning fork associated with relaxation and energy balance. Frequently used to support mental and physical calmness. May help promote a sense of overall wellness. [4096Hz Tuning Fork] High-frequency tuning fork often used for focus and mental clarity. Can be used near the ears or in personal wellness practices. Color: Silver Material: Aluminum alloy Package Contents: - 2 x drumsticks (color and style may vary) - 4 x tuning forks - 1 x small wrench Note: Light and display settings may cause slight variations in color between the image and the actual item. Measurement tolerance is +/- 1-3 cm.