The Estwing E3-24BLC is a 24 ounce (680 gram) heavy geological hammer with a chisel edge head to cut, split or pry rocks or a flat face to break or crush material. The hammer is made from drop forged American steel with an anti-shock vinyl grip. An excellent hammer and the best in the industry, the Estwing E3-24BLC is the bench mark for geological hammers.