It is an authentic replacement fill. head screw which is supplied by the original equipment manufacturer for use with Metabo power tools. This is one of the special screws that are used to secure the gear cover, for correct application please refer to appropriate diagrams of your model. It is a high-quality component which is made of durable metal and it is sold individually.
This is an authentic Metabo replacement part manufactured for use with grinders. The rubber bushing is used with the drive shaft and is sold as an individual replacement part.