Easton Official Adult Slow Pitch Softball Bat with Cushioned Grip - HAMMER SP9, 2-1/4" Diameter, Aluminum, 1.20 BPF, Length/Weigth: 34"/28 oz (Approved for ASA, USSSA, NSA, ISF and ISA) Aluminum construction with an evenly balanced barrel to superior performance Cushioned grip for added comfort Length/Weigth: 34"/28 oz. Approved for ASA, USSSA, NSA, ISF and ISA