http://tinyurl.com/pk9bm87
Thor TH208 Copper-Rawhide Hammer with 9-Inch Handle
Malleable Iron head fitted with one Rawhide and one Copper cylindrical face
Malleable iron head and Copper/Rawhide faces combine to provide the weight for the blow and the faces prevent damage to most items being struck
Ideal where a heavy blow is required combined with a relatively small striking area
Faces are designed to wear and can be replaced
Used as a multi purpose soft faced hammer in engineering and automotive for assembly, repair and maintenance