The Estwing Ultra Series Claw hammers are one-piece forged and are engineered lighter to drive nails faster. An extra pulling notch is built into the head, along with a magnetic nail starter. This hammer has a traditional leather handle grip made from leather washers pressed on and riveted. Made in the USA from high-quality steel. Specifications Weight 425g (15oz). Handle length 343mm (13.1/2in).