Designed for light brushing such as deburring, cleaning and polishing. PFERD offers a wide range of miniature brushes for precision work. These can be used on flexible shaft drives, micro motors or electric grinders. Brushes with aluminum oxide (AO) are less sharp-edged and aggressive than those with SiC. These brushes are designed for polishing and smoothing finishes on soft metals. Plastic filaments are temperature-resistant up to 410°F.