This has the brass cases. The mounting threads are solid. It has the lower dust cover that are seldom there. This mag is hot. I describe all of my items to the best of my ability. The item “Hit Miss Gas Engine Wico EK Magneto HOT” is in sale since Sunday, May 14, 2017. This item is in the category “Business & Industrial\Light Equipment & Tools\Stationary Engines\Parts”. The seller is “tonyaron29″ and is located in Elizabethtown, Pennsylvania. This item can be shipped to United States.