Mizuno Frenzy Super Lite Comp Fast Pitch Softball Bats Frenzy Super Lite...Gain A Competitive Edge On The Opposition Mizuno Frenzy Super Lite Comp Fast Pitch Softball Bat features: Black OnyxATM Carbon for improved durability and feel Techfire TechnologyATM for increased sweetspot utilizing three different levels of materials Redesigned end cap for lower swing weight and better control of the bat Anti-Shock Construction for less vibration and improved feel Cylinder seaming technique eliminates inconsistencies X-Ray scanning technology for quality control Air molding inner wall system for consistency Mizuno"s exclusive cushioned grip 21/4" barrel 1-Year Warranty Length/Weight (-12): 28"-16 oz A* 29"-17 oz A* 30"-18 oz A* 31"-19 oz A* 32"-20 oz A* 33"-21 oz A* 34"-22 oz *Note: MINUS (-) DROP: Refers to the differential between the length and weight of a bat. As an example a (-)10 bat would be a 29" length 19 oz weight bat. Mizuno...Your Passion Is Our Obsession!