Double faced engineer/blacksmith hammer. Industrial black head finish. Ball diameter: 1-1/2". Face: 1-9/32". Head length: 4". HH45 Replacement handle. 2.7lbs Weight with handle. Carbon steel head through hardened. American hickory handle natural shock absorber. Polished Faces. Made in U.S.A. Note: If a hammer head should loosen at any time, return it for handle replacement or a new hammer. Warning: never use hammers with "mushroomed" heads. They may chip and cause injury. "Always wear safety goggles."