Use for grinding and polishing flat or contoured surfaces</br>Great for removing rust</br>Can be used as a finishing sander after heavier surface sanding and material removal is complete</br></br>Product Description</br></br>3/16"?? 80 Grit flap wheel?? for grinding & polishing flat or contoured surfaces on metal?? wood?? rubber or plastic?? as flaps wear down new abrasive is exposed.</br><br/>http://www.amazon.com/gp/product/B000030302