Seonghwa - Just below average thickness but on the longer side at 6.5 inches. Hair free, straight, with no lean, and it's not particularly veiny either. The head is a nice shape.
Hongjoong - Thicker, but shorter around 4.5 inches. Veiny, with a lean to the left, and it curves up towards his stomach when hard. He trims his hair to be shorter. Wide head.
Yunho - Average thickness and length, at 5 inches, a couple stand out veins, straight with a little left lean. He keeps his hair shirt but never bare. Flushes pink towards the head.
Yeosang: Thinner, and between 4.5 and 5 inches. Pale with a few prominent veins. Tapered tip. It has a slight left lean. Again, his hair is kept very short, sometimes in a landing strip.
San: Just below average thickness but longer at 6.25 inches. A few prominent veins, one going up the underside. Dark, with hair trimmed just a little. A right lean.
Mingi: Average thickness, long, at 6.75 inches, not very veiny. A right lean but no curve. He trims his hair a bit to keep it tidy, got a shape trimmed into it one time.
Wooyoung: Shorter, 4.5 inches, but thicker, with a couple stand out veins, one up the right side. A slight left lean and curved towards his stomach. No hair. A dark tapered tip.
Jongho: Again, around 4.5 inches, but thick and veiny, with a slight right lean. Wide, dark head. His hair is only trimmed a little bit to keep it tidy, but mostly natural.