anomaly connection: pairs the barrel with a stiff, composite handle to offer feedback while maximizing comfort, bat speed and energy transfer on contact.; anomaly end cap: designed to work with composite barrels, using light and durable materials to reduce swing weights, improve bat control and optimize performance.two-piece composite construction: designed for improved weight distribution that allows for great balance, bat speed and barrel control; fortified metal compound knob: manufactured with a reimagined combination of alloy and composite materials to enhance durability and allow for improved leverage.expanded warranty: demarini’s bbcor warranty covers multiple repairs or exchanges throughout the first year following the purchase of any stock or custom bat.dark matter composite barrel: a groundbreaking composite material and construction resulting in a new barrel shape with a more gradual taper that increases performance throughout the barrel, translating to a higher performing, better feeling sweet spot