Chisel Hammer Mallet Rock Lapidary Jewelry Hobby 1/4". This is a new chisel hammer. Great for metal working. Has a face that measures approximately 5/16" (8 mm) in diameter. The length of the head measures approximately 2" (50 mm). The hammer measures approximately 7" (177.8 mm) long. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.