Round serrated face is 1-1/4" diameterSquare face is 1-1/8" x 1-1/8"Cross-grooved face for shrinking sheet metal
Plain square face for flatteningMade in the USAMartin auto body tools are the choice of professionals because of their superior quality. This Martin hammer features a precise-ground head with excellent balance, the proper weight, and a fiberglass handle. Fiberglass handles are becoming popular because of their comfortable grip and ability to absorb shock. All Martin Tools carry a limited lifetime warranty.