Hammer, Head Weight (Oz.) 8.0, Wood Handle, Overall Length (In.) 12 in/ OVERALL LENGTH: 12.000 INCHES NOMINAL HEAD WEIGHT: 8.000 OUNCES HANDLE MATERIAL: WOOD STYLE DESIGNATOR: 16 MACHINIST'S BALL-PEEN SPECIFICATION/STANDARD DATA: 05047-ASME B17.400 CAT 53 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD