Weiler 1 inch Miniature Wire Wheel Brush contains fine crimped wire fill for light-duty cleaning and deburring on non-ferrous and precious metals. 1/8 incha stem for use on flexible shaft tool and high speed pencil grinders. The Weiler family began producing miniature brushes for the jewelry industry in 1898, and their tradition of providing the highest quality, most cost-effective products continues to this day. Weilers line of miniature brushes are designed for precision cleaning, light deburring, and finishing applications in a variety of crafts, trades, and industries. In addition to use in jewelry production, miniature brushes have many applications in modern industries such as electronics and instrumentation production, aerospace and aircraft manufacture, and precision tool and die shops. They are permanently mounted on 1/8 inch or 3/32 inch stems for quick mounting and efficient use on high-speed electric rotary tools and air-powered pencil die grinders. Made in the USA.