The Vaughan Club/Drilling Hammers are forged form high carbon solid steel and are designed for striking star drills, cold chisels, brick chisels and punches. They have a rust-resistant blue finish and polished striking faces with generous bevels. The hammers have a patented Shock-Blok™ plug in the head, using hickory and rubber to absorb shock. An exclusive air cushioned, slip-resistant grip improves user comfort. Made in the USA.