This tool with it's hardened bristles are ideal for removing stubborn ground in dirt from the trickiest of places. SC4 series - e.g. SC4.100. For KARCHER. SC3 series - e.g. SC3.100. SC1 series - e.g. SC1 Premium, SC1.002, SC1.010, SC1.020, SC1.030, SC1.030B, SC1.052, SC1.105, SC1.122, SC1.125, SC1.201, SC1.402, SC1.405, SC1.502, SC1.702.