The CPG825E1 (Alpha) Grinder / Polisher is a compact, walk-behind, single-head machine designed for both grinding and polishing concrete floors. It delivers strong performance in a lightweight and maneuverable package, making it ideal for smaller or medium jobs where portability and precision are important. Its 9-inch grinding head, foldable handle, and Core Lock segment retention system allow users to work close to walls and move between job sites with ease. Whether removing coatings or preparing surfaces for final finishes, the Alpha offers reliable performance without sacrificing accessibility.