Mounted point, 1" x 1" cylindrical w220 (carded). max rpm: 30,370. 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" x 1"
• Fits 1/4" chuck high-speed drills
• Perfect for grinding, polishing or deburring ferrous metals or other hard surfaces.