Get ready to rise to the occasion with the Mighty Man Trigger Pump. With regular use of this pump, you will be able to get longer and harder. To make use more easy and comfortable, each cylinder has a soft clear sleeve at the base. The pump itself has an easy to use design and also has a quick-release button. Cylinder Measurements: Approx. 7 inches in length, 7.5 inches in circumference, and 2 inch diameter opening.