Discover thick, throbbing erections that last and last with this professional-grade Pro-Gauge Power Pump. Simply insert your penis into the vacuum cylinder tube, squeeze the EZ-grip handle and watch your pleasure rod get bigger and thicker than ever before! The soft PVC sleeve forms a perfectly tight seal against the skin and creates a powerful vacuum inside the chamber, forcing your election to quickly expand and swell with power. The tube is made from thick, heavy grade acrylic and marked with both metric and US standard graduations to measure your growth. Use the included enhancement ring to help maintain your erection and prolong ejaculation. Tube length 8.5” Tube width 2.5”