Easton MAKO TORQ CXN ZERO 9 Fastpitch Softball Bat 2-Piece Build using CXN ZERO 100% Composite Design (Thermo Composite Technology) Torq Taq Bat Grip 2 1/4" Barrel Diameter Approval Certification (98 MPH): 1.20 BPF USSSA, ASA, NSA, ISA, ISF, SSUSA