I'll have to wait until I get my elements before I put a hole in the keg. I got my heat sinks mounted along with my element receptacles and pump receptacles. I have pictures but am at work and will have to wait until I get home to post them. I think I have spent 8 to 10 hours measuring, drilling, cutting, reaming, punching and filing holes for this thing. The worst part is I spent all that time measuring it over and over to get it perfect but the drill bit would wander a little and throw everything off.