20 Pcs/Set Hand File Needle File Tool T12 High Carbon Steel

20 Pieces Metal File Set – There are 4 large files (flat / square file, round / rat tail file, half-round file, triangle file), 14 small mini needle files and 2 multi-functional brushes, for brushing bits and filing materials such as metal, wood, plastic, glass, ceramics and leather.. Premium Forged Alloy Steel – All the Blades of the files set are forged with T12 high-carbon steel which contain 1.15-1.24? of carbon in the steel. And it means this material is more durable than normal files..