Weiler End Brush, 1 in Diameter Brush, 1/4 in Shank Diameter, Crimped Filament/Wire Type, 0.006 in Filament/Wire Diameter, Stainless Steel Fill, 1 in Trim Length, 22000 rpm Maximum, 6.688 in Overall Length. Weiler's wire end brushes are intended primarily for use on high-speed portable power tools for addressing smaller surfaces and recessed areas. End brushes feature an integral 1/4" Steel stem for safe operation at high speed and quick mounting into the collet or chuck of either electric or pneumatic die grinders. 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.