Estwing’s Leather Ultra Series Hammers are engineered to be the lightest, strongest striking tool on the job site. The sleek new lightweight design coupled with our world famous genuine leather grip make these hammers both easier to swing and less fatiguing. Estwing hammers are forged in one piece using the finest American tool steel for long life and dependability. No welds means no joints to fail. Estwing hammers are proudly forged in the USA.