This revolutionary patented design allows you to customize your pleasure with an extendable tube that locks in place at the exact length you desire. The Extender Pro Vibrating Pump has progressive technology with incredibly realistic intermittent suction to provide lifelike “milking” sensations for the best blow job of your life! 3 suction modes and 5 patterns of teasing vibrations that travel all the way up your penis. The crystal-clear tube is designed for a firm grip and allows you to view the action. Resting Tube Length - 8" (20.5cm) Extended Tube Length - 10.25" (26cm).