These are precision made 10 oz hexagon head driving hammers, also known as Farrier hammers using Alloy 4150 metal. This driving hammer, farrier hammer, has a smooth head and is roughly 50 Rockwell hardness. We hold +/- .005" tolerances on these heads and install them on a high quality wood handle, approximately 1-1/8" diameter by 13" overall length. Nicely proportioned hammer, high quality, and moderately priced. Heritage Forge driving hammers are one of our best selling farrier tools! Great for driving horseshoeing nails into hooves.