This is a nice, clean 12 ounce cross-pein or sometimes called a tinner's rivet setting hammer hammer that is marked "JORS 300" on the inside surface of the head. The head has a .83" square end w/chamfers on the head at one end, angled to a rounded or pein edge on the other end, overall the head is 4." long. The has a handle that is 10" long overall. In very good shape with minor wear. The handle is solid and fits good, in very good condition. The head has very little wear, not damaged or rusty, in ready to use condition.