Mounted point, 1-1/4" x 3/4" a12 (carded). max rpm: 38,050. shank Mounted points and 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 point, 1-1/4" X 3/4" (A12)
• For use wit h1/4" chuck high-speed drills
• Perfect for grinding, polishing or deburring ferrous metals or other hard surfacts