2 Half Pound Dead Blow Hammers For Carpentry, Construction, Engineering & Shaping Metal. This is a new set of two 1/2 lb dead blow hammers. Great for carpentry, construction, engineering & shaping metal. Dead blow hammers allow maximum striking force, increase accuracy, make work easier and help guard against accidents. The length of each head measures approximately 3 1/2" (88 mm) long. The face of each head measures approximately 1 1/2" (37 mm) in diameter. Each hammer measures approximately 11" (279 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.