This easy-to-use Precision Pump will make your erection thicker, longer, and harder in a matter of minutes! Once your penis is pumped up in size within the cylinder, slide on the Erection Enhancer ring to keep it at its biggest and best. The ring ensures that you will stay huge and hard until everyone is satisfied. This pump is the safe and easy way to enhance your assets and reach whole new levels of mind-blowing stimulation!
Measurements: Opening of donut is approx. 4 inches in circumference; cylinder is approx. 7 inches in circumference.