Weiler Roughneck Wheel Brush, Narrow Face Root Pass, 5 in Brush Dia, 3/16 in Face Width, 7/8 in Arbor Hole Size, Stringer Bead Knot Filament/Wire Type, 0.02 in Filament/Wire Diameter, Steel Fill, 7/8 in Trim Length, 12500 rpm Maximum, Unthreaded Arbor Attachment. ROUGHNECK STRINGER BEAD WHEELS are the standard for high-performance weld cleaning brushes. Narrow face brushes are suitable for cleaning root and hot passes and reaching into corners; wider face wheels can be used for cleaning filler and cap passes as well as for other surface prep and cleaning applications. At Weiler, we passionately embrace change to improve our products and our processes to move the company and our customers forward. By bringing new ideas and creative problem solving together in an open, collaborative environment, we will improve our customers' productivity and create profitable growth. Weiler Abrasives is eager to create a collaborative partnership to overcome your toughest cleaning, grinding, cutting, de-burring and finishing challenges. Weiler manufactures precision brushes, abrasives, and maintenance products. The company was founded in 1898 in Germany, is headquartered in Cresco, PA, and is International Organization for Standardization (ISO) 9001 certified.