1.【Carbon steel materials】Metal files are made of high hardness carbon steel.The fine-grain texture of the rasp file set is deeply quenched and coated to achieve long-lasting cutting performance 2.【Unique Design】The needle file set includes flat steel file, flat protection steel file, square steel file, triangular steel file, round steel file and steel filehalf round (same file).Six different versions of the metal hand files expand the areas of application 3.【Comfortable Rubberized Handle】The ergonomic handles of the small metal files ensure a comfortable feeling during use.A stable grip helps you get the job done faster.Molded handles ensure a firm grip and the best control 4.【Durable Gear Model】The gear teeth of the metal wood file are clear, which promotes cutting efficiency.The precision metal file has a clear surface grain that is durable and can be used over and over again 5.【Widely Used】This small needle file set can be used for removing, refining, reshaping and scraping projects.They are ideal for shaping wood, metal, jewelry, mirrors, glass, tiles, ceramics, leather and plastic that require precision work on small surfaces and tight spaces