Estwing E6/15SR Ultra Series Hammer forged in one piece out of fine tool steel for long life and dependability Estwings Ultra Series Solid Steel Hammers are engineered lighter and stronger. The sleek new profile makes them lighter and more aerodynamic. Estwing hammers are forged in one piece out of fine tool steel for long life and dependability. No welds. No joints that can fail. Plus, these hammers feature Estwings world famous and patented Shock Reduction Grip. The most durable and reliable grip put on any striking tool. Features: Solid America Steel Sleek new profile make them lighter and more aerodynamic Smooth or Milled Face Two sizes: 15 and 19 oz. head weight Blue Shock Reduction Grip Made in the U.S.A. Specification: Part Number: E6-15SR (smooth face) Head Weight: 15 oz / 425.2 g Overall Length: 13.75" / 349.25 mm