Air hammer drill includes: 1 spring, 4 air hammer. Spherical and flat head surfaces are used to form metal plates, rivets, rivets, etc.Different shapes can adapt to different jobs Air hammer flat drill is suitable for pneumatic rivet hammer, 150mm, 190mm, 250mm air gun air hammer ...Air hammer drill includes: 1 spring, 4 air hammer. Spherical and flat head surfaces are used to form metal plates, rivets, rivets, etc.Different shapes can adapt to different jobs Air hammer flat drill is suitable for pneumatic rivet hammer, 150mm, 190mm, 250mm air gun air hammer and shovel, handle diameter is about 10mm Suitable for tire repair, wind pipe seam, crushing hard rock, etc Heavy duty air hammer fittings are made of high quality alloy steel with the necessary hardness and durability