Each file in this series is made of T12 alloy steel and heat-treated to improve wear resistance and cutting efficiency. This strength makes it a good choice for a variety of manual tasks and ensures that your metal files are long-lasting and Designed for use on wood, metal, glass and a variety of other materials, this set can effectively meet all your needs The soft rubber handle design is ergonomic and comfortable, providing a secure grip to reduce fatigue during long work hours. Maintain steady control and comfort when working with wood or metal with this well-designed file set The metal file set comes with a sturdy portable storage box with a compact design. It keeps all tools organized and prevents them from rubbing against each other, allowing craftsmen and DIY enthusiasts to store and carry them easily This set of metal files is suitable for sanding, carpets, fine carving, and is suitable for a variety of environments such as home, garage, workshop, etc. This set effectively meet your project needs Colour:As Shown Material:Metal Package Contents: 1 set * metal file Only the above package content, other products are not included. Note: Light reflection 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.