IVY Classic 39202 3-Inch x 1/4-Inch Round Shank， Nylon Abrasive Cup Brush - Coarse 80 Grit， 1/Card<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Removes rust and paint from flat surfaces， lightly sands wood and prepares metal and wood for painting</li><li>Nylon bristles impregnated with silicon carbide</li><li>Sides of bristles act as flexible files</li><li>Bristle Trim Length: 7/8-inch， Grit: 80 - Coarse</li><li>1/4-inch round shank， Max RPM: 4，500</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41V-rJNfh9L.jpg" noproxy>