【12 File Set/2 Materials】 The metal files are made of high-hardness carbon steel and diamond. The fine-grained texture of the rasp file set is deeply hardened and coated for long-lasting cutting performance. 【6 Different Designs】 Total length 15 cm/ 5.9 inches, file length 10 cm/ 3.95 inches. The needle file set includes 6 styles made of 2 materials: flat steel file, flat steel file, square steel file, triangular steel file, round steel file, and half-round steel file (equivalent file). 【Comfortable Grip】 Comfortable non-slip rubber handles maintain a firm grip even in wet conditions. The mini steel file set is perfect for woodworking and metalworking enthusiasts such as gunsmiths or hobby modelers. 【Widely Used】This small hand tool needle file set can be used for removing, refining, reshaping, and scraping projects. They are perfect for shaping wood, metal, jewelry, mirrors, glass, tiles, ceramics, leather, and plastic. 【Portable and Easy to Store】6pcs carbon steel file set + 6pcs