Sledge Hammer, 10 lb., 34-1/2, Fiberglass/ HANDLE LENGTH: 29.500 INCHES NOMINAL HEAD LENGTH: 7.500 INCHES NOMINAL OVERALL LENGTH: 34.500 INCHES NOMINAL HEAD WEIGHT: 10.000 POUNDS FACE DIAMETER: 2.500 INCHES NOMINAL FEATURES PROVIDED: RUBBER HANDLE GRIP HANDLE MATERIAL: GLASS FIBER HEAD MATERIAL: STEEL STYLE DESIGNATOR: 8 SLEDGE, BLACKSMITH'S DOUBLE-FACED SPECIFICATION/STANDARD DATA: 05047-ASME B107.400 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD