100% brand new and high quality<br />Specification:<br />Material: Bianstone / Stone Needle<br />Size: 11 x 3 x 0.5cm/4.3 x 1.2 x 0.2"<br />Weight: 48g approx<br />Product Information :<br />Si Bin pumice absorb grease for long-term human friction・ glossy black・ a black・ beautiful stone.Dark gray・ locally may be slightly yellow・ the surface may be irregularly shaped white marbled friction contact with the body absorb grease・ oil was black. Processing of Stone products・ workers touch probe coupled with grease detection・ Stone finished surface is grayish black or black grease volatile or skim restore gray. Part of Stone products (generally many jewelry categories: such as bracelet・ necklace・ Foot chain・ pendants・ etc.) we smear on the maintenance of oil・ this is mainly played the role of protection and increase the aesthetics. Stone products are more frequent contact with the body・ its color will become black・ and the better the physical condition of Stone products will be more black. Unused for long periods without access to oil the color will become dark. Stone maintenance is a long time・ and preferably someone special・ not many people share. Unused for long periods・ you can use a small amount of high-quality olive oil for maintenance.<br />Function:<br />Stone scraping board・ also known as the acupuncture board is made with authentic Si Bin Stone (Si Bin pumice) can be used as a scraping health acupuncture with almost all acupuncture technique in acupuncture techniqu