2013 Worth BJ Fulk Mayhem 120 USSSA Softball Bats. 14 inch barrel. Balanced swing weight. 100% Composite. EIP/RAV - Technologically-advanced manufacturing processes and Worths proprietary high-strength, high elongation epoxy system ensures the highest quality composite bats available. BALANCED LOADING - Offers the most true-to-weight feel. Balanced bats are primarily used by those seeking maximum bat control and consistency at the plate. 1.20 BPF w/ ABI - Multi-layer composite core designed to provide exceptional rebound and maximum durability. 100% COMPOSITE - Barrel is made solely from composite materials. ASSOCIATIONS: USSSA, NSA, ISA & ISF Approved. "This bat has the USSSA 2013 Stamp" NOT ASA APPROVED.