Estwing Manufacturing produces a variety of handheld construction tools, including nail hammers, axes and wood splitting tools, specialty tools, hatches and roofing toolks, pry bars, geological tools, chisels, punches and nail sets, soft face hammers and international hammers. One of its latest innovations is a shock reduction grip designed to reduce vibrations caused by impact. The company s product lines are sold in leading hardware stores, home centers and retailers throughout the United States, Canada and many countries throughout the world. Estwing was established in 1923 and is located in Rockford, Ill.