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 sole leather washers pressed on and riveted. The milled face aids gripping of the nail head when striking. Made in the USA from high-quality steel.The ESTE19SM Ultra Framing Hammer has the following specifications: Weight: 540g (19oz)Handle length: 349mm (15.1/2in).