1pc Ball Peen Hammer with Two Spare Wooden Handle 4oz Dual-Headed Carbon Steel Hammer Heavy-Duty Metalworking Hammer for Household Workshop Metal Forming Repairing Rivet 7.8" Hard Forged Steel Head: 4oz in weight, made of high-strength carbon steel through forging and repeated quenching and heating. Our ball pein hammer has high hardness, and the surface is finely polished make it rust-proof, beautiful and durable. Dual-Headed Hammer: high hardness flat side combines with spherica side; falt side is great for repairing and flattening metal while not damage item's surface when percussion; smooth rounded ball end lets workers shape metals to the right contour. Wooden Handle: machinist hammer is about 20cm/7.8" in length, ergonomic design, well-polished comfortable to hold, agile to operate, effectively reduces shock and saves labor. Two sapre wooden handle provided, extends your hammer's serve time without buying another one. Tight Connection: the steel head and natural wooden handle are firmly set together and do not come off easily; tight fit, non-slip and shockproof, provides the best combination of hardness and to blows. A good helper for your metalwork. Versatile: an indispensable tool for machinists, metal workers, DIYers, craftsmen, jewelers and so on. Used to strike punches, chisels and rivets, widely used in industrial or household maintenance, metal repairing and forming guitars and amplifiers, jewerly making.