The Hx10 is the second ball from Track designed for high revolution players under the new naming system. This is also the second time a hybrid coverstock has surrounded the Face core since the ball name changes a few months ago. With this release, Track went with the slightly less aggressive DR-6 hybrid coverstock compared to the MR-6 shell that was used on the Mx10. This change in coverstock allowed our heavy handed bowler to achieve a strong hooking power with this new release, as compared to the Hx05. Bowlers with higher rev rates can use this as their benchmark ball, as it will let you know exactly where the oil and dry is on the lane. ...