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 pistol grip. gives more power than the trigger grip pump. It will work to create a more effective vacuum seal in a shorter amount of time. so it won't take many pumps to reach your desired level of hardness.