Dead Blow Hammer, 64 oz Head Weight, Fiberglass with Nonslip Grip Handle Material/ OVERALL LENGTH: 14.375 INCHES NOMINAL WEIGHT: 64.000 OUNCES HANDLE MATERIAL: GLASS FIBER SPECIAL FEATURES: HAND-DRILLING HAMMER STYLE DESIGNATOR: 34 SOFT-HEAD SPECIFICATION/STANDARD DATA: 05047-ASME B107.400 CAT 54 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 1 TYPE