Demarini 28-Ounce Vexxum Softball Bat (34-Inch) C6 Composite Handle - Wider composite weave maximizes handle performance and optimum flex SC4 Alloy - DeMarini's exclusive alloy with 12% stronger properties allowing for the highest capabilities for maximum barrel thickness to increase sweetspot Hybrid Comfort Grip - 2 piece grip built for ultimate comfort and tack Rotation Index - Numerical system reminds players to rotate bat, extending its life. 12 month limited warrenty