Hydromax Xtreme X20 by Bathmate. Hand pump especially designed for men with a penis up to 15 cm in length. This pump generates 35% more suction power than its predecessors. Patented design with a soft-touch detachable ring that feels comfortable on the penis and scrotum. The hydropump can be controlled with one hand, the results are easier to read and the pump has a special texture for better control and grip. The pump works with water instead of air is therefore 250% more efficient. Hydromax Xtreme X20, for the man who wants more length and/or stamina.