1、Special tooth design, even and smooth, effectively improve the cutting ability. 2、Ergonomically designed handle is comfortable to grip, will not hurt your hand, no fatigue and more efficient to use. 3、This half-round files are used for filing concave cambered surface and flat surfaces. A perfect tool for garages, factories, engineering, workshop. 4、The handle is made of PP+TRP material, non-toxic, non-slip and eco-friendly.. 5、The file head adopts high quality T12 carbon tool steel, which is incisive and durable with high hardness and long service life. 1 x Half-round File Condition: 100% Brand NewItem Type: Half-round FileStyle: Coarse Teeth File, Middle Teeth File, Fine Teeth File(Optional)Material: T12 Carbon Tool Steel+PP+TRPColor: As shown in the pictureFull Length: Approx. 31.5cm/ 12.4inFile Blade Length: Approx.200mm/8inWidthxThickness: Approx. 20x 5.5mm/ 0.8x 0.2inWeight: Approx.171g/6ozApplication: For steel ironFile Texture: Double textureCross Section Shape: Half-roundFunction:Fitter file according to the size of file teeth can be divided into coarse teeth file, middle teeth file, fine teeth file. 1. If the workpiece to be processed is low carbon steel, coarse teeth can be used. 2. For medium and high carbon steel, use medium teeth. 3. Fine teeth can be used for shallow surface finishing. 4. According to the material type of the workpiece to be processed, choose the appropriate file, which not only saves labor and time, but also prolongs the service life of the file.