DescriptionNote:- since the link is a multi - attribute product, please pay attention to the title & description & then purchase. Choice available check title, mentioned in brackets at the end of the title. Brass & nylon hammer jewelry hammer with detachable faces versatile hammer with interchangeable faces to provide any combination desired. Replacement faces available to allow any combination of brass, nylon, fiber. Face dia 9/16" (14mm), head length 2" (51mm) head weight 2 1/2 oz. (71g). Versatile hammer with interchangeable faces face dia 9/16" (14mm) head length 2" (51mm) head weight 2 1/2 oz (71g) includes wrench to change and secure faces on hammer, diy crafts hammer jewelry hammer with detachable faces for diy crafts works