You know I am 6'2 and to my knee is only 14 inches. This guy is 5'7 so to his knee would be shorter. Unless he has really long legs and a really really short torso.
I didn't event think he looked 5'7 next to Alexa Grace, but I googled her and supposedly she is a tall gal, so I guess it could be true. If they pair him with a smaller chick, he's gonna look ridiculously big.
Obviosly he's not 14", but his girth sometimes look insane, like at least Shane Diesel girth, possibly even more. That + the length (whatever it is) is more than enough to make him porn's new big dick sensation. How many girls are actually physically capable of making good scenes with him is another question..
Although it looks like he has some of the Jack Napier/John Holmes problem of not getting really hard, at least he seems to get a little more rigid than those two..