New DeMarini BFP10 Bustos Signature Model Fastpitch Softball Bat . A 13 ounce weight drop is essential to help youth players get their barrel through the zone as fast as possible in order to ensure maximum performanceHybrid Comfort Grip 2-piece grip built for ultimate comfort and tackRotation Index numerical system reminds you to rotate the bat, extending its life2 1/4" barrelMeets 1.20 BPF bat standardApproved for play in ASA, USSSA no stamp, NSA, ISA, and ISF