Impress Art-Mini Brass Stamping Hammer. This hammer is specifically designed for metal stamping projects. The 1/2-pound brass head leaves deeper sharper impressions and helps protect and prolong the life of metal stamps. The handle is ergonomically contoured and has a rubber grip for added comfort and control. The flat surface of the head has a 7/8 inch diameter, the overall length of the head is 3 inches, and the entire hammer has dimensions of 6-1/4x3x7/8 inch. This package contains one hammer.