Easton SV12 Ozone BSV2 65 Baseball Bat The product has Connexion system BESR Certified 2 5/8-Inch diameter barrel and 3 length-to-weight ratio Thin 31/32-Inch tapered handle with Pro-Tack cushioned grip Exclusive 400 day warranty Eastons O-Zone - Optimal Hitting Zone Technology slightly thickens the barrel walls at the taper End cap sections of the barrel to stiffen those regions and increase trampoline and overall barrel performance of maximum hitting area