I brought a 680 waterblock to put on my 680 reference card but I can't find out what screwdriver I need, I have brought and tried some torx one but they don't fit. Which screwdriver do I need then? Also it's seems like the take the screw of around the GPU I'm going to needed a durrfebt size to. Can someone please tell me the names and sizes if the screwdriver im going to need.
