Original Rubber Spark Plug Protector German This is a front line

This is a front line piece that would have been used in forward positions and not just in the rear

but worth it

We have seen used versions of this tin pop up across Germany

This is an original Bakelite model 41 Blende or black out cover for bicycle headlights

It was actually designed to burn charcoal briquettes

Original Rubber Spark Plug Protector German This is a front lineOriginal German Isolator zundei or spark egg. It is a rubber case to protect spare spark plugs and keep them ready for use. Price is for one holder; spark plug is NOT included! These are absolutely indispensable for original vehicles. They are a little dirty, but still in decent, usable shape. These are difficult to come by in good condition. They are advertised in the 1931 Stukenbrok Hauptkatalog.