4. Tough Carbon Steel Shaft: Made with a carbon steel shaft that resists deformation, this jewelry file set provides a dependable and enduring tool for your engraving needs 3. Versatile in Use: Elevate your detailing game with this jewelry file set, designed to meet your engraving, shaping, and crafting needs across jewelry, metal, glass, models, and more 2. Ergonomic Handle: Featuring an ergonomic design and comfortable handles, this jewelry file set ensures you 't get tired of using them for a long time 1. Total Set: Offering 10 special files and 10 ordinary files to cater to various shaping, molding, and carving requirements for detailed crafting projects 5. Extend Tool Lifespan: Sands in the downward direction, maintaining efficiency, prolonging tool life, and avoiding back and forth friction to reduce excessive wear, Weight: 0.39021820374 pounds, Manufacturer: Hipzeepo