3/4" copper pipe,3/4"x1/2" female pipe adapter 3/4"x3/4" male pipe adapter,1/2" brass plug,510 large hole connector from mad vapes,3/4" brass pipe cap make sure it's brass,solder wick from Radio Shack,the neg end spring came from Ace hardware,a stick of 1"pvc or polypro round stock try ENCO or MSC for that,the switch parts were made from scrap bronze valve stem and a 3/8 brass bolt, the spring is an old gun part you will have to find one that will work.