This are easy to use</br>This are highly durable</br>This is manufactured in China</br>Thin .045-Inch wheel design for fast burr free cutting</br>Proprietary aluminum oxide grain combination for aggressive cutting action</br>Proprietary material mix ensures durable long life wheels</br>2 full sheets of fiberglass for durability and safety</br>Fast burr free cutting</br></br>Product Description</br></br>5 pack?? 4.5"x 0.045"?? metal & stainless cutting wheel?? 7/8"rbor?? thin .045"wheel design for fast burr free cutting?? proprietary aluminum oxide grain combination for aggressive cutting action?? proprietary material mix ensures durable long life wheels?? 2 full sheets of fiberglass for durability & safety?? fast burr free cutting.</br><br/>http://www.amazon.com/gp/product/B005B8LZCIIand