With the STIHL maintenance kit for the RG-KM weeder, you can quickly prepare a blunt or impaired rotary cutting head for effective work again. The simple attachment mechanism on the STIHL RG-KM weeder means that you can change the blade with little effort. The STIHL maintenance kit for the RG-KM rotary cutting head includes 2 replacement blades and a rider plate. The fastening screws are protected against wear.