These Estwing Ultra Series Framing Hammers are solid forged in one piece of steel for excellent strength. They are engineered lighter to drive nails faster. They have an extra nail notch built into the head, along with a magnetic nail starter. These hammers have a traditional leather handle grip made from leather washers, pressed on and rivetted. Made in the USA from high-quality steel. Weight: 540g (19oz) Handle length: 349mm (15.1/2in).