[Wide Application] - These carving and grinding tools are widely used in metal, jewelry, wood, walnut, and other materials. Ideal for both professionals and hobbyists. [Tungsten Steel] - Micro-type sculpture knife set is made of high strength tungsten steel for wear resistance and long service life. High hardness and good toughness for efficient engraving on materials. [Material] - Crafted from high-strength tungsten steel for durability, Sculpture Carving Knife. [Wide Application] - Perfect for carving and grinding metal, jewelry, wood, walnut, and more. [Versatile Sculpture Tools] - Each knife in the set features a different shape, providing you with flexibility for engraving projects. Perfect for olive core, beads, wood, bone, and other micro-inlaid items. Weight: 11g / 0.4oz Shank Diameter: 2.35mm / 0.09inch Blade Change Mode: Push rod type Type: Thin Set Color: Silver Material: Metal Package Contents: 1 * Engraving Tool Set 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.