10-Piece File Set: High-quality diamond file set designed for hard-to-reach and irregularly shaped objects Different Shapes: Includes hook, flat hook, square hook, circle, flat/convex angle and more; Function: Ultra-hard industrial diamonds permanently embedded in the tip of the steel shaft for superior material removal Application: Use on extremely hard materials like hardened steel, carbide, titanium, stone, glass and tile Specification: PVC hardened handles provide grip comfortable hand; Shaft diameter 3mm; Length: 140mm. Features: Widely used in a variety of molds, models, parts, crafts and other industries Sharp diamond needle file, high strength, good physical properties and wear resistance Widely used in grinding, polishing, engraving, cutting, drilling, modification for jade, ceramic, glass, crystal, metal, carbide, etc. easy to use: dipped handles for comfort and excellent grip when exposed to moisture or fluids Non-Slip Handle: the mini -file allows very close access. Non-slip handle for easy grip. Uses: The diamond file can file almost anything and can frustrate any rotating blade, even mysterious steel fast with hardness 69, but it cannot be used to repair large shapes, but only to repair details Please push the file along the direction of the blade Tips for use: adding water can delay the loss of the diamond file. Hardness of file is 62-67HRC, material T12`T13 Specification: Color: red + silver Material: plastic + metal Size: about 3*140mm Package Contents: 10 * Assorted Diamond Files Delivered quantity: 10 pieces/set Product color: red Product size: 3*140mm Note: Manual measurement, please allow 1-3cm error.