Hyper Tough TH20203Z 8-Ounce Ball Pein Wood Handle HammerCategory: Mdf Tromner HammerThe Hyper Tough TH20203Z, 8 ounce ball pein hammer is the perfect tool for all metal work where shaping is needed. Also called a machinists hammer the ball pein hammer is used for striking, punching, riveting, shaping or straightening unhardened metals. The ball-peen hammer's crowned, or rounded, hemispherical head works to shape or expand sheet metal smoothly without marking it. The ball portion can straighten, soften and expand metal into the desired shapes to match with other pieces of a project. The other, straighter end of the hammer can be used to strike punches and chisels where cuts, holes for riveting or welding will be utilized. Chisels and punches mark the metal for placement of holes, cuts or bends and a ball-peen hammer is used to strike the chisel or punch and form the desired shape. The Hyper Tough 8 ounce ball pein hammer is the perfect tool for the garage mechanic or basic household needs.