6Pcs Metal Needle File Set Small Hardened Carbon Steel File Mini Hand Metal Tool Description: 6PCS Small File Set: Third generation hardened alloy strength steel set, including flat file, round file, flat file, triangle file, square file and half round file. Six different designs of hand - made metal files increase the range of applications. Quality Material: The needle file kit is made of high carbon steel with a fine grain pattern, a metal file that is deeply quenched at high temperatures to increase hardness and durability. Ergonomic Design: The Jewelry needle file set features an ergonomic design with a non - slip rubber handle to provide comfort during use. Even in slippery conditions, this small hand files ensures a comfortable grip for long periods of use. Durable Gear Pattern: This precision metal file has a clear surface texture, fine cutting edge to improve cutting efficiency and quickly grind away undesirable position. Extensive Use: All of these Mini file sets are widely used in wood, metal, jewelry, DIY, tiles, ceramics, leather and plastic removal, refining, reshaping and scraping projects that require detailed precision work on small surfaces and narrow areas.