Easton BK63 Typhoon Bbcor Adult Baseball Bat (-3) 7046 aircraft alloy Patent pending Brace Barrel technology locates braces at critical points in the barrel to meet BBCOR compliance minimizing swing weight and maintaining a low M.O.I. to achieve faster swing speeds -3 length-to-weight ratio and 2-5/8 barrel diameter Thin 31/32 tapered handle with cushioned grip BBCOR Certified