The product is 7/32"PNK Grinding Wheel</br>Easy to use</br>The product is manufactured in China</br>Ideal for sharpening chain saw blades?? quickly and easily</br>Features a precision-ground abrasive</br>For use with the Demel chain saw sharpening attachment No. 1453</br>Includes 2 sharpening stones</br>Measures 7/32 inch in diameter</br></br>Product Description</br></br>The product is 7/32"NK Grinding Wheel. Easy to use. The product is manufactured in China.</br></br>Amazon.com</br></br>The Dremel 7/32-Inch Chain Saw Sharpening Stones are ideal for sharpening chain saw blades?? quickly and easily. With a precision-ground abrasive?? these sharpening stones are made for extended usage?? and can be used with the Dremel chain saw sharpening attachment No. 1453. These sharpening stones come in a pack of two.</br><br/>http://www.amazon.com/gp/product/B00004UDHOt