The tuning fork set is made of high-quality aluminum alloy material, with fine workmanship and high precision. Aluminum alloy construction provides dependable and durable performance. The resonance box is made of high-quality wood. When the tuning fork is placed on this wooden base, it enhances sound amplification. The sound quality is balanced, delivering a natural and comfortable listening experience with a stable and profound resonance effect. This tuning fork is widely used for relaxation, focus enhancement, sound therapy, meditation, yoga, aromatherapy, auditory testing, and educational demonstrations. Color: Silver & Wood Color Material: Wood + Aluminum Alloy Size: Resonance Box: Approximately 18 cm in length Package Contents: 1 x Tuning Fork 1 x Resonance Box 1 x Hammer Note: The package includes only the items listed above. Other products are not included. Due to light reflection and differences in display screens, the color of the item in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.