Here is a very nice cast iron body Thordarson low tension coil. This is to be used with an old gas engine that has an igniter, it will not work with a sparkplug. It produces and excellent spark. It is ready to use. Please check out the pictures and decide if you need it. About 4-1/8 diameter at base. Thanks for looking at this listing! If you want to check out my reputation and such please feel free to google search my name. My name and address is. 14316 State Route 281. If you can find a way to talk to me with your voice you will almost always get a quick response. If you message me please try not to sound like a caveman. I have terrible grammar myself so I understand but sometimes it is very difficult to comprehend what some people write. If I make a mistake on my measurements or you feel something is not as described please let me know and I will try to make it right. I think most all of my customers with a normal level of sanity are happy. I think most people would agree that I do an extremely good job of packing items so I guess it’s worth the wait. Check out my other items. Be sure to add me to your favorites list. The item “THORDARSON LOW TENSION CAST IRON IGNITION COIL for IGNITERS Hit and Miss Engines” is in sale since Tuesday, January 8, 2019. This item is in the category “Business & Industrial\Light Equipment & Tools\Stationary Engines\Parts”. The seller is “hitmissengine” and is located in Holgate, Ohio. This item can be shipped worldwide.