Check the listing for details. 5pcs 0.2" x 5" Pneumatic Air Half Round Flat Extra Coarse Tooth File Tool. Condition: New. Listed at 13.62 USD. The industrial grade file is made of selected bearing steel as the base material, which has excellent hardness, toughness, and wear resistance. It can withstand certain impacts and vibrations, and its ultra-high hardness keeps the coarse tooth edge sharp. When polishing hard metals, it is not easy to have edge curling or passivation.Adopting a coarse tooth design, each tooth edge features fine polishing treatment, with precise tooth patterns, even cutting teeth, sharp and smooth cutting edges. While quickly removing the amount, it can reduce scratches on the surface of the workpiece and avoid rough filing marks.The pneumatic file interface has high precision and is firmly and tightly connected to the AF5 pneumatic file host.