[ Material] The set comes with 11pcs mini steel file, all made of the excellent Steel to ensures and strength. Note: Not Diamond Needle File! [Soft & Comfortable Handle] These files with the comfortable rubber grips which is Non-Slip and can keep firm hold enven in the wet conditions. [Proper Size] The metal diamond needle file set measures 160mm/ 6.3inch in length and 4mm/ 0.15inch in diameter. The flat files part is 200mm / 8 inches long. Both of them can be perfectly arranged in your tool set box. [11Kinds Files] We provide 11 kinds files to meet different demands. Every file has special funtions, includes the shapes of semicircle, flat square, cylindrical, triangular, square, rounded, elliptical, flat, triangular, knife edge. [Widely Applications] These files can be apply to the soft metal, wood, plastic or other materials you need, such as Jewelry, Ceramic, Wood and Plastic, Not Coarse Rasp. Importants: Please protect your hands and eyes when filing metal parts. Do not use any steel needle file as crowbar, it may break easily. Please do not superimpose the files together. Please clean the files after using. Color: Black + yellow Material: steel Size: files: 160mm * 4mm/ 6.3inch * 0.15inch (L*D) flat files part is 200mm / 8 inches long Package Contents: 10 * files 1 * flat files Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.