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