Storm continues their Signature series of bowling balls with the Storm Drive. This ball uses the R2S Nano Hybrid coverstock wich was designed to handle more oil at the heads and at the completion of the pattern. This ball offers predictability where it is needed, at the midlane. The Dual-Drive core continues to offer great entry angle. The Dual-Drive core is a weight block within a weight block. These two weight blocks work together to create a ball core that generates faster revving action and a greater amount of energy transmission at the pins.