What size needle and barbell do i need to do it yourself industrial ear piercing industrial piercing?

don't do it you could really hurt yourself and get infected just go to a shop were they will pierce it right everyones skin types are different some people say that it hurts really bad and some people say that it doesn't hurt at all it depends on your skin type but please don't pierce it at home no one looks good with one nostril if you pierce your nose yourself