Natural high grade corundum stone materials, stone dimensions: 7"L x 2 1/3"W x 1 1/4"H</br>The #1000 grit stone is the basic sharpening stone. when sharpening knives, it is important to use medium stones and finishing stone. However, it is easier to use a #3,000 grit stone as a buffer in between, rather than jumping from a #1,000 grit stone to a #6,000 grit stone</br>Cutting oily ingredients leads to shorter edge retention. If you are planning to cut meat such as chicken, it is best to stop at the #3,000 grit stone. Although, the #6,000 grit stone will give you a more refined edge, it will also be more prone to dulling faster. Using a little rougher edge will maintain the blade for longer</br>Best finishing stones for boning knives</br>Caution: Please never soak fine stones unless otherwise instructed by the product. When preparing, simply wet the surface and it is ready for use. Failure to do so will result in the stone cracking or weakening</br></br>Product Description</br></br><b>Hiware</b> is a professional home product supplier, focuses on supplying all kinds of quality, stylish and attractive items to help improve customers' high quality life, devotes to improving customers' on-line shopping experience.<br>With these worn material stones and the water form a slurry, which in conjunction with the stone, sharpens and polishes the blade. <br><b>Lifetime Guarantee</b> - If you're not completely satisfied simply let us know and we will offer a prompt refund or replacement, no questions asked</br><br/>http://www.amazon.com/gp/product/B01GHP9PUW