Easton Official Slow Pitch Adult 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) Cushioned grip for added comfort Aluminium construction with an evenly balanced barrel to superior performance Approved by ASA USSSA, NSA, ISF, and other associations Length/Weigth: 34"/28 oz.