MILTIFUNCTIONAL AND WIDE USAGES - It would occur a long and clear vibration sound, and you could use for clearing crystals, cleaning living space, chakra for repair healing, sound healing, playing with pets etc.. The attached silica gel could be used to knock on your joints if you are suffering joints pain. You could use them , in work, or in travel. PERFECT GIFTS - It would be a perfect Valentines Gift for girlfriend or boyfriend, husband or wife, a wonderful birthday gift for grandparents, parents, or even children. It would bring a clear and nice sound to all your families, even your cute pets. Colour:silver Material:Aluminum alloy Package Contents: 1 x Hammer(colors and styles are random, don't accept the specified) 1 x tuning forks 1 x cleaning cloth 1 x triangular silicone 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.