SAIT 59560 Z 5 x 7/8-Inch 60 Grit Zirconium Fiber Disc， 25-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Z - Zirconium grain. Closed coat structure for aggressive material removal and long life. Stainless steel， high tensile alloys. Ferrous and/or non-ferrous metals (iron， steel， welds， etc.)</li><li>Resin over resin construction for a strong bond that is resistant to heat and moisture.</li><li>Vulcanized fiber backing for heavy duty sanding.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41W3K03H9AL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/318K87430EL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/313tgWr6KtL.jpg' noproxy></br>