Turn your software into hardware - would you like a thicker, harder or bigger penis? Then get our penis pump M Professional for beginners and experienced users! It contains a piston pump (incl. pressure regulator and connection tube) and a neutral cylinder with a height/depth of 18 cm (incl. matching tube attachment sleeve) and a diameter of 4.5 cm (connection at the top). As an option, you can also integrate one of our Love sleeves for an even better effect during training.