Hydromax X30 Wide Boy Crystal Clear Penis Pump. Bathmate's Hydromax X30  The X30 Wide Boy has the same internal length as a traditional X30 9.25 inches but has an enhanced diameter being the same as the larger X40 2.45 inches. The X30 Wide Boy is best pump size for men who have reached maximum girth with their regular X30 or Hercules but have a ways to go with length. This is also the perfect sized pump for men of above average girth approaching 2 inches in diameter and below 7 inches in length. X30 Wide Boy explained The Bathmate range of hydro pumps operate using hydraulic pressure around the penis. Because the surface area of the penis is larger around the girth than it is the length, it is the girth that users will experience an increase in first, often resulting in them touching the sides of the pump meaning that the hydraulic pressure will not be able to expand the girth of the penis further. Why use a Hydromax Wide Boy Hydro pump? Instant visible results. 250% more efficient than air pumps. Gain 1 to 3 inches of length. Increase penis thickness, increase sexual stamina, intensify your orgasms, can help straighten a curve, enlarge your penis head, helps with premature ejaculation are erectile dysfunction, and may help with Peyronie's disease. Results may vary. Specifications allowing for penis size gains when fully compressed starting maximum penis diameter 2.00 inches. Starting maximum penis length 7.25 inches. Body safe materials Polycarbonate, Acetal, Steel, Silicone, Polypropylene PP, Thermoplastic Elastomers TPE.