The AL-KO 479057 blade holder is an original equipment manufacturer (OEM) part designed for AL-KO lawn mowers with a 51 cm cutting width. This essential component securely attaches the cutting blade to the mower's engine shaft, ensuring stable operation and efficient grass cutting. Made from durable materials, it provides reliable performance and is crucial for maintaining the mower's functionality and safety. This blade holder is a direct replacement for the original part, guaranteeing perfect fitment and compatibility with specified AL-KO models.