It is a genuine OEM sourced replacement screw which is specially produced for use with Dynabrade power tools. This part is a standard hardware which has multiple applications depending on the model of your unit, please make sure to refer to the appropriate diagrams for the correct location and use of this item. It is a high-quality hex socket head screw which is sold individually.
This is an authentic OEM part. The metal screw is made for use with several abrasive belt tools. The screw secures the belt guard, and is sold individually. A Phillips screwdriver is needed for the installation.