The tuning fork set is made of high-quality aluminum alloy material, with fine workmanship and high precision. Aluminum alloy construction offers dependable, solid strength. The resonance box is made of high-quality wood. The tuning fork is placed on this wooden speaker, which has an amplification effect. The sound quality is natural, with a profound and stable resonance, providing a comfortable listening experience. This set is widely used for relaxation, focus enhancement, stress relief, and mindfulness practices. Suitable for yoga, aromatherapy, meditation, sound therapy, teaching demonstrations, and hearing tests. Color: Silver & Wood Color Material: Wood + Aluminum Alloy Size: Resonant Box: Approximately 18 cm in length Package Contents: 1 x Tuning Fork 1 x Resonant Box 1 x Hammer Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.