[Wide Application] - These carving and grinding tools are widely used in metal, jewelry, wood, walnut, and other materials. Ideal for both 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 high efficiency andengraving on various materials. [Material] - Crafted from high-strength tungsten steel for durability and,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 various engraving projects. Perfect for olive core, beads, , wood, bone, and other micro-inlaid items. Weight:. 11g or 0.4oz Shank Diameter:2.35mm or 0.09inch Blade change mode:push rod type Type:Small Set Colour:Silver Material:Metal Package Contents: 1 x 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 a little different from the real thing. The measurement allowed error is 1-3cm.