For an effective potency training! The black, easy-to-use pumping handle helps to create quickly and effectively a potent vacuum inside the transparent cylinder (up to 76 cm Hg), thus making your penis grow to unbelievable sizes. The vacuum can be controlled and used via the pressure gauge, while the indicator scale shows exactly how much your penis has grown already.
Cylinder: 30 cm long, 22 cm deep, interior Ø approx. 6 cm, with 3 cm silicone sleeve (flexible).