The Marucci Aluminum Fungo bat is a coach's dream. High-strength alloy construction, patented AV2 knob and soft-touch grip allow you to hit in-and-out with ease and comfort. Comes with a 1 year manufacturers warranty from Marucci. - One-piece aluminum alloy construction - 2nd Generation AV2 Anti-Vibration knob - Professionally inspired handle - Removable taper and ergonomic knob shape - Micro-perforated soft-touch grip - 1 Year Manufacturer's Warranty