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 Estwing's world famous blue shock reduction nylon vinyl grips. Made in the USA from high-quality steel. Weight 540g (19oz). Handle length 349mm (15.1/2in).