DeMarini 2015 Ultimate Weapon Slowpitch Bat One Piece SC4 Alloy Design: Creates a sweet spot that can stand up to each crushing blow Thrasher Grip: Low profile grip with great tack so you can feel more of the bat in your hands Rotational Index: Numerical system reminds players to rotate bat to extend its life Approved for play in the following Associations: ASA, USSSA, NSA, ISA, ISF Meets 1.20 BPF bat standard and ASA 100 mph standard