Designed for precision and efficiency, this 4-1/2" backing pad is an essential tool for concrete surface preparation and finishing. Manufactured by Walter Surface Technologies in Germany, it features a centering pin that ensures a perfect fit, allowing for optimal performance during use. The innovative hook and loop system facilitates quick disc changes, enhancing productivity and reducing downtime. With a compact size and lightweight design, this backing pad is easy to handle, making it an ideal choice for both professionals and DIY enthusiasts looking to achieve a superior finish on their projects.