Penis Pump Gauge & Premium Trigger Grip Metal Hand Pump Pumps: Performance VX6 Vacuum Penis Pump with Brass Pistol & Pressure Gauge Buy the Performance VX6 9 inch x 2 inch Vacuum Penis Cylinder & Brass Rev Pump Automatic Penis Pump Pink Peck Max Performance Pistol Grip Penis Pump by Lynk Pleasure Penis Pump Gauge & Premium Trigger Grip Metal Hand Pump. The Rev Pump Gauge Pistol Grip Penis Pump packs a punch with its pistol pumping action. Designed with an easy grip pumping action and pressure gauge, you will know exactly what pressure you are under, so you can ensure you go back to the same pressure time and again. With an insertable length of 20cm, and a diameter of 7cm, this clear pump delivers pressure to help you grow. Penis pumping is a growing past time, but always remember to go in flaccid, and let the pump take you to new lengths. Brand: Rev Pump. Colour: Clear Black. Size: Total Length 22cm, Insertable Length 20cm, Diameter 7cm.