What is the length and the gauge size of a Jacob's or frenum ladder piercing?

Oh, dude, a Jacob's or frenum ladder piercing involves multiple piercings along the shaft of the penis. The length of the piercing jewelry can vary depending on the individual's anatomy and the piercer's recommendation. As for the gauge size, it's typically around 14 or 12 gauge, but hey, it's all about personal preference down there, right?