Features:* Made of steel, after general quenching, high hardness and long service life * Exquisite appearance, high quality, easy to use.* The wrinkle teeth structure is reasonable, which makes the cutting speed sharp and improves the working efficiency.* The sharp cutter needs to be cleaned, and the work can only be done after brushing to prevent rust.* Do not apply with other tools or objects, and do not apply them with other files, to avoid damaging the teeth of the file.* Wide Application: Suitable for high-speed shaping or polishing of wood, plastics, gypsum parts, coarse sanding, fine sanding and more. Specifications:Product Name: Double Head FilesMaterial: SteelColor: As Shown In The Picture Size: As Shown Optional Type: A, B, C, D: Fast Shaping Or Polishing Quantity: 1PcPackage Included:1 × Double Head FilesNote:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.