With the HD52 Tech, this bat has been tuned to maximize performance and durability with the use of a Hot Dot .52 COR, 300 Compression softball. Under the newest regulations for ASA slow pitch, the compression of the softball has been reduced. Lower compression from the ball means that you need more from your bat.Additional InformationBalanced LoadingHD52 Tech - Tuned to maximize performance and durability with the use of a Hot Dot 52/300 ballTri-Seamless Tech - Tri-wall , one piece design, utilizing seamless walls for unmatched performance and durabilityOne Piece 100% Composite ConstructionApproved for Play in ASA only2 1/4 Inch Barrel DiameterMade in the USA