DeMarini DXDXL00-10 DX2 Youth Baseball Bat (-11) Drop (Weight-to-Length Ratio): -11--"Drop" is a weight-to-length ratio of a bat. Certain drops are required or limited for use in different leagues. Bat Material: dX1 Alloy--Combines a high yield strength with fracture toughness for a balance of strength and durability. Bat Grip: Variegated Comfort Grip-- Model Number: WTDXDXL00 Barrel Size: 2" Barrel