Alright thanks for your response and I need a cover/cartridge holder for the slot when I put the games in with screw post for the cartridge to be screwed down in place and screw post on the inside on the sides so I can screw it to the back of my case something like this
Im sorry, I still don't quite understand. What is the purpose of those bottom two screw posts? Perhaps if you drew where the cartridge would go in your sketch, I'd get what you mean.