3M 7482 4" Coarse Scotch Brite Roloc Surface Conditioning Discs - 10 Per Box</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Quick 1/2 turn on， 1/2 turn off Roloc disc fastening system</li><li>Used to quickly remove cut cork or paper gaskets and form in place gasketing materials prior to the assembling of power train components， engine blocks， heads， and valve covers</li><li>Use with 3M Roloc Disc Pad 05541</li><li>Best used on steel parts</li><li>Maximum operating speed: 12，000 RPM</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/41vMyT2FQ4L.jpg' noproxy></br>