DURABLE HIGH-CARBON STEEL MATERIAL --- The geological brick duckbill hammer with double head and flat mouth is made of high carbon steel, the hammer is durable.HIGH EFFICIENCY --- The forged one-piece jackhammer tool is portable and easy to use. TPR rubber handle with comfortable grip can improve work efficiency. Use a pickaxe to split rocks and a hammer to drive in scissors. Also the most durable punching tools on the market.FUNCTION --- Initially, the double-headed, flat-mouth geological duckbill hammer can be used by geologists to measure rock hardness.VERSATILE FUNCTION --- Rock hammer geology tools are the preferred choice of contractors, campers , hunters, prospectors, geologists, archaeologists and paleontologists. The welding hammer is very suitable for breaking and chiseling brick/concrete/stone/rock in masonry construction, exploration, mining and geology. SIZE SPECIFICATION --- Size: 29.50*17.50*2.50cm