Frank Zane Measurements
Where are you measuring? The only sources I can find are measuring in the middle of the shaft, and are showing an average girth of around 4.75 inches. This site puts 6" at 99th percentile.
Where are you measuring? The only sources I can find are measuring in the middle of the shaft, and are showing an average girth of around 4.75 inches. This site puts 6" at 99th percentile.