[High-Quality Aluminum Alloy Material]C128, C512, C256 tuning forks are made of high-quality aluminum alloy material, with clear sound, corrosion resistance, non-magnetic, and no rust. perfect for home, school or clinical use. [Lightweight and Easy to Use] The chakra tuning fork set features extra long turned sturdy aluminum handles for easy assessment of bone conduction and easy to use. It's made of durable yet lightweight material that's comfortable to hold. Equipped with a fleece bag for easy going out. [Perfect Effect] The healing tuning fork has excellent performance and consistent frequency accuracy. The sound quality will not have much deviation. [Ergonomic Design, Easy to Use]The rounded tail design perfectly combines beauty and comfort, and it is equipped with a silicone hammer for better control of the percussion force, allowing you to use the tuning fork better. Material: aluminium alloy colour: silver Package Contents: 3 x tuning fork 1 x silicone hammer 1 x cleaning cloth 1 x maintenance tool 1 x storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.