Weiler Nylox Wheel Brush, Composite, 6 in Brush Dia, 1 in Face Width, 2 in Arbor Hole Size, Crimped/Round Filament/Wire Type, 0.022 in Filament/Wire Diameter, Nylon/Silicon Carbide Fill, 1-1/4 in Trim Length, 4000 rpm Maximum, Unthreaded Arbor Attachment. Weiler's composite metal hub wheels marry the high density and superior filament retention of composite hub wheels with the dimensional stability and shock resistance of metal hub construction, and they feature 2" arbor holes, which allows for convenient mounting on many pieces of equipment. 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.