Designed for precision and efficiency, the 4-1/2" GR40 Quick-Step™ Flex Flap Disc from Walter Surface Technologies is an essential tool for professionals working with tough steel, cast iron, and high tensile materials. Manufactured in Germany, this disc offers a one-step finishing solution that not only reduces costs but also ensures quiet, vibration-free grinding, making it ideal for extended use. The flexible backing allows for seamless operation on curved surfaces, enhancing versatility in various applications. Each package contains ten discs, providing ample supply for your projects while maintaining a lightweight design for easy handling.