This is a genuine OEM sourced replacement screw that is specially designed for use with power tools. It is a standard hardware which has multiple applications depending on your tool. This screw is made from high quality metal and it is sold individually.
This is a genuine DeWALT replacement part used in compatible hammers. The depth stop is made out of metal. When replacing this item no tools should be needed. It will need to be replaced if it becomes broken. This part is available as an individual replacement.