New 4oz Ball Pein Hammer. This is a new 4 ounce ball pein hammer. Great for metal working. Has a face that measures approximately 11/16" (18 mm) in diameter. The length of the head measures approximately 2 1/2" (64 mm). The hammer measures approximately 10 1/4" (260 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.