The Forney 60054 Mounted Grinding Wheel is an ideal tool for grinding, polishing, and deburring ferrous metals or other hard surfaces. Featuring a high-grade 60 grit aluminum oxide construction and a maximum RPM of 3450, this 2-1/2"x1/4" wheel is perfectly sized for use with a 1/4"(6.35 millimeters) chuck drill - giving you ultimate access to all of those hard-to-reach places. Arriving to you in carded packaging, this mounted grinding wheel will meet all of your deburring needs.