Worth’s patented 454 technology extends the sweetspot two inches in BOTH directions, giving the player the largest sweetspot in the industry. 454 – Multi-layer design that extends the length of the sweetspot two inches in BOTH directions. 1.20 BPF Multi-layer Composite Core –Designed to provide exceptional rebound and maximum durability. 100% Composite – Barrel is made solely from composite materials. Flex – Handle stiffness and barrel flexibility optimized to provide maximum batted ball speed. Pro-Pebble Grip –Ultra thin, raised pebble grip for maximum bat control. One-Year Warranty. Approved by USSSA, NSA, ISF and all other associations using 1.20 BPF standard.