The Big D End Cap on this Insane is going to absorb vibration .
The Big D End Cap on this Insane also works with the barrel to keep the swing weight low , the sweet spot lethal & the overall performance of the bat top notch .
The Big D End Cap on this Insane is going to absorb vibration and also works with the barrel to keep the swing weight low , the sweet spot lethal & the overall performance of the bat top notch .