These economical needle files are a great addition to any jeweler's tool kit. These files are custom crafted out of hardened steel to last a lifetime and feature easy to hold plastic dipped handles for a secure grip. Overall length is 5-1/2" all cut fine. This needle file set can be used for removing, refining, reshaping, and scraping projects that require detail precision work on small surfaces and in tight areas. This 5 Piece Kit Includes: - PuriTEST 5pc Diamond Needle File Set - Length: 5-1/2" - Diameter: 3mm - Bearing Hardened Steel - Fine Cut - Dipped Handle - PVC Pouch If you have any further questions, please feel free to contact us. We look forward to serving you in the future. 1 YEAR GUARANTEE ON ALL PRODUCTS!