New condition although it includes spark plug took only and is missing the hex/Allen wrench that goes with this tool originally

The 1969 - 1973 Porsche Spark Plug Wrench Tool Klein 21 is a single, 21mm metric wrench designed specifically for use with spark plugs. Manufactured by Klein Tools, this hex/allen drive type tool is a reliable and essential addition to any automotive tool collection. With its brand reputation and precise size, this spark plug wrench is ideal for maintenance and repair of Porsche vehicles from the late 1960s to early 1970s.