2017 Easton Mako Beast XL Youth COMPOSITE Baseball Bat -10oz YB17MK10 (RARE FIND - NEW - Great Condition). The Mako Youth 2 1/4" bat is back again! The Mako Beast also has a 2-Piece Bat Construction, which has the patented ConneXion Technology, allowing the bat to maximize energy transfer for the optimized feel that elite hitters need.