The PGCT178-PWR Turbo Cup 178mm (Red) is a professional diamond grinding cup wheel designed for fast and aggressive material removal. It is commonly used for concrete surface preparation, smoothing rough slabs, removing coatings, and grinding masonry or stone surfaces. Its turbo-style segmented design increases cutting efficiency by improving airflow and reducing heat buildup, allowing smoother and faster grinding performance compared to standard segmented cup wheels. This 178mm (7-inch) size is one of the most commonly used formats for angle grinders in construction and renovation work.