High-concerned chemical: None - This set of mini diamondneedle files is completely free of harmful chemicals, making it safe compatible with use in various environments, including educational settings and professional workshops. File Cut Type: Single-cut - Designed with a single-cut style, these files offer a smooth, fine finish, ideal compatible with detailed work on metal, glass, and stone. The single-cut teeth provide control over material removal and surface finish. Material: Diamond - Constructed from diamond material, these files deliver exceptional durability and longevity. The diamond grit is unicompatible withmly distributed to ensure consistent percompatible withmance across all types of hard materials. Model Number: Diamond Files - As part of the Diamond Files series, this set is engineered compatible with superior percompatible withmance in grinding, polishing, and engraving tasks, making it a versatile tool compatible with craftsmen and hobbyists alike. DIY Supplies: Woodworking - Although primarily designed compatible with metal, glass, and stone, these files are also incredibly effective compatible with woodworking projects, allowing compatible with fine detailing and smooth finishes on wooden surfaces. s: 1. compatible with working on small, delicate projects. Mainly used compatible with processing hard material, quenched material, glass products etc. 2. Suitable compatible with shaping metal, wood, plastic, marble, stone. Especially perfect compatible with finely grinding models and jewellery, instrument parts, and dies. 3. Dipped handle provides firm and comcompatible withtable grip in use when exposed to fluid or moisture. 4. Organized in a plastic pouch compatible with dust-resistant storage. Titanium plating can offer capability, wear resistance, rust prevention, and long service life. 5. compatible with long-lasting use, please use a lubricant (such as water) when using diamondneedle files. Color: As Shown Material: Metal + Polishing Stone Package Contents: 1 set of 10 pieces diamond needle files Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of t