The Norton Clipper Classic wire wheel brushes are designed to deliver high-impact joint and flat work clean-up on the toughest applications. These brushes are made to withstand a wide range of aggressive applications to make quick and efficient work of your brushing project. Brand Name: Norton Sub Brand: Clipper Diameter: 2 in. Grade: Coarse Wire Type: Crimped Product Type: Wire Cup Brush Material: Brass Maximum Speed: 4500 rpm Number in Package: 1 pc Compatibility: Drills Shank Diameter: 1/4 in. Thickness: 0.012 in.