Oval-shaped and flat for head surface for the formation of metal plates, rivets, and so on Fit for automotive industry, sheet metal industry, tire repair industry, construction industry, machinery factory production line and so on Suitable for any hammering, such as ball joints and u-joints Smoothing pneumatic air 3x hammer bits + 1x spring, for ideal for using in the tire repairing alloy steel materials, practical and, Manufacturer: EXQIOUR