The scarifying of the lawn is crucial for long-term aeration and thus for healthy growth of a dense and lush green lawn. Experts recommend scarifying the area about twice a year. A motorized device makes this task significantly easier. However, the blade shafts are subjected to considerable stress, especially on heavy and dry soils. Sooner or later, this wear part will need to be replaced. This replacement blade shaft is suitable for all 35 cm scarifiers from the WOLF-Garten brand.