With a total cylinder length of 9 in. and a diameter of 2.35 in.. this pump gives you ample possibilities to grow in both directions. The total length of the hose is 10 in. and the insertion sleeve is made of smooth silicone. The trigger grip. gives more power than the traditional bulb pump. It will work to create a more effective vacuum seal in a shorter amount of time. so it will take less pump action to reach your desired level of hardness.