Disc of hard abrasive</br>Cuts?? grooves and trims</br>Cuts metal?? wood and ceramics</br>36 pcs per package</br></br>Product Description</br></br>Dremel Mfg. Division 15/16"utoff Wheel (36)?? DRE409</br><br/>http://www.amazon.com/gp/product/B00004UDGXss