Wilson DeMarini Bruiser (34") (EA) The 2012 DeMarini Bruiser slow pitch bat is made of DX1 aluminum alloy which provides a perfect balance of strength(KSI) and fracture toughness for longer lasting performance. The N2M endcap endcap is scientifically tuned to absorb vibration while maximixing power. The DeMarini Hybrid Performance Grip provides maximum comfort and tack(grip) with a cool, faded look. Approved by ASA, USSSA, NSA and ISA.