Beadsmith Micro Embossing Hammer with 1.5 and 2.5mm Faces~ This hammer has 2 faces on it, one is 1.5mm and the other is 2.5mm. They heads are small- think of a 2.5mm bead. Wonderful for use on small pieces of metal that you would like to put dimples in. The length of the hammer is 9.25 inches.