Outfitted with B45®’s largest barrel profile and a thicker handle for the perennial power hitter, the RK13 Pro Select Birch Bat helps create additional balance through the zone while still reaping the benefits of a bigger barrel. The bat’s birch composition delivers an excellent balance between traditional ash and maple bats, providing moderate hardness and flexibility when connecting with pitches. FEATURES: Yellow Birch wood characteristics are that of elongated fibers growth Cold weather growth above the 49th parallel resulting in a tight grain for hardness Bats that break-in as opposed to break-down resulting in hardening of the wood over time Serial number is engraved in the barrel of every bat – enabling quicker warranty claims if and when required Major League Baseball approved ADVANTAGES: Forgiveness and reliability allowing the bat to bend without breaking compared to other woods Pop-off the barrel for explosive impact/performance By rotating the barrel a quarter turn with each plate appearance the bat actually gets harder increasing both performance and longevity Used by pro players the world over including players in the MLB NOTICE : Baseball/Softball Bats are only eligible for return if they have not been used.