Taper Ring Technology - DeMarini bats comply with BBCOR standards but maintain a distinct weight advantage over other aluminum bats. That"s because the weight is added closer to the taper of the bat and not the end of barrel to maintain the maximum sweet spot and keep swing speed at it"s fastest. SC4 Alloy Barrel - DeMarini"s proprietary aluminum extrusion provides a thickness tuned wall that reaches down the entire length of the barrel to create a wicked sweet spot that can stand up to each crushing blow. C6 Composite Handle - Designed with a wider weave that optimizes swing flex, this handle works as a powerful one, two punch with Vexxum"s SC4 Barrel. 2012 Model -3 Length to Weight Ratio Taper Ring Technology SC4 Alloy C6 Composite Thickness Tuned Half + Half Hybrid C-Grip BBCOR Certified One Year Warranty