Check the listing for details. Anndason Smoothing Pneumatic Air Hammer Chisel Bits Tools Kit Set Spring 5 Pcs. Condition: New. Listed at 28.99 USD. 5 Pcs Air Hammer Bits Set, 0.401 Shank Smoothing Pneumatic Air Hammer Pneumatic Chisel Bits Tools Kit, Extended Length Hammer Tool With Spring.BrandDalekayHead MaterialAlloy SteelHandle MaterialAlloy SteelColorBlackHead StyleFlatAbout this itemThe air hammer bits set is made of high quality alloy steel. Has the necessary hardness and durability.Air hammer smoothing bits suit for air rivet hammer, for 150mm, 190mm, 250mm gun air hammer and gas shovel, shank diameter approx.10mmSpherical and flat head surface for the formation of metal plates, rivets, knock out and so on. Different shape could meet your different jobsAir chisel bits use for tire repair , wind pipe pressure seam edge and so onThe bit installed in the Pneumatic sewing machine, need to connect the air compressor to use.can replace the head to use.(Item does not ship to Miami&Doral, FL), have any problem please contact us !