Mounted grinding wheel, 1" x 1" cylindrical (carded). max rpm: 3,450. shank Mounted grinding wheels are made from durable, high-grade 60 grit aluminum oxide. perfect for grinding, polishing or deburring ferrous metals or other hard surfaces. for use with 1/4" (6.35mm) chuck high-speed drills. especially useful where larger wheels will not fit or where small abrasive wheels wear out too quickly.

• Mounted Grinding Wheel, 1" x 1"
• For use with 1/4" chuck high-speed drills
• Perfect for grinding, polishing or deburring ferrous metals or other hard surfaces