Maximize your erection with the Maximizer Worx VX2 pump. It has a transparent cylinder, perfect for you to see how your penis grows, and with a pressure gauge on the top. At the base, a soft silicone sleeve hugs your penis to keep it in place, maximizing comfort. To start enjoying, you just have to insert your penis and operate the lever. Features: Hand pump With pressure gauge Transparent cylinder ABS Measurements: 20 cm x 6.2 cm