Louisville Slugger Hyper Z Senior Endload Slowpitch Bat 1.21 BPF Approved for play in all Senior Softball Associations 100% Spring Recoil Composite (SRC) Design Patented TRU3 technology reduces vibration and provides unmatched feel on contact 3-piece bat construction Endload swing weight 12" barrel and 7/8" tapered handle Friction Blast Finish (FBF)