During the first World War the Maserati family of automotive and motorcycle fame started to produce spark plugs and continued to do so all the way to the 1950’s. The box we have available is an untouched new old stock that has survived over the decades. Overall size 6.5” x 3.75” x 2.25”. Individual spark plug box are 3.6” x 1” x 1.1”. A- cond., (minor wear on outside box).