The CFDT71-ProXR ONE is a 100% wood Dove Tail made bat with a carbon fiber reinforced patented ProXR handle. "BBCOR" certified now in 6 colors. Now comes with a FULL 1 YEAR WARRANTY! Originally from the C271, DTB made the changes necessary to give the midsection more strength. This bat is an excellent metal to wood transition. The ProXR ONE knob adds all the benefits of this patented knob-ergonomically designed to protect by reducing compression, improve performance, increase leverage and provide more power!The carbon fiber reinforced handle allows us to give a FULL 1 YEAR limited warranty on all CF series bats. (Carbon Fiber (CF) series only-restrictions apply. See our DTB warranty page for details.) CFDT71-ProXR-One is available in all colors BBCOR certified 32", 33", 33", 33.5" & 34". SPECIFICATIONS:  This bat comes with a medium flared 2" knob, a 2 1/2" barrel, and a 15/16" handle.  30" bats are downsized to a 2 1/4" barrel for younger players.  All carbon fiber bats are made to a -2 to -3 specification.   Bats have cupped ends only when necessary to create optimum balance & weight differential. Handle is reinforced with carbon fiber. Engraving: This option is not available on BBCOR bat models.