The STIFFER S-40 COMPOSITE handle helps transfer more ENERGY faster from PLAYER to BALL for more PERFORMANCE. FINE-TUNED BARREL profiles create a more BALANCED design, helping ATHLETES generate FASTER SWING SPEEDS while maintaining the LARGER COMPOSITE BARRELS MDX, multi-directional COMPOSITE BARREL is built with multi-directionally patterned layers designed to create an ULTRA RESPONSIVE BARREL. Our one-of-a-kind OUTER LOCKING SYSTEM creates the stiffest connection available, while dismissing virtually all vibrations on contact for your STRONGEST, SMOOTHEST SWING YET