A. Sufficient quantity: You will get a set of diamond grinding head kits consisting of 40 pieces, including 6 shapes. The diverse shapes can meet your daily use needs. B. Sturdy material: This set of grinding head drill bit kits is made of diamond particles. It is strong, thick, with relatively high hardness and impact resistance. It can complete some delicate work and serve you for a long time. C. Six shapes: The diamond carving tools are designed in 6 different shapes, including spherical, conical, cylindrical, round - headed cylindrical, pointed, flat, etc. They can meet your different needs and improve work efficiency, saving some time and labor. D. High universality: The shank diameter of this set of diamond grinding heads is 1/8 inch, which is compatible with many tools or die grinders. It is a practical tool. E. Wide application: The diamond drill grinding heads can be used in work such as polishing, grinding, drilling, cutting, carving, etc. They can also be used for carving on a variety of materials, such as tiles, ceramics, stones, granite, etc. It can be a helper for households. F. Product features: This diamond grinding tool set is made of good materials, which is sturdy and durable. It is suitable for delicate work, such as polishing, sanding, grinding, cutting, carving, etc. These diamond grinding heads come in 6 different shapes, which can meet the different needs of carving enthusiasts and craftsmen. G. Specification parameters: - Material: Diamond particles - Color: As shown in the picture - Size: Approximately 4.5 mm/0.18 inches long H. Package contents: A set of 40 - piece diamond grinding head tools (6 shapes). Only the above - mentioned items are included in the package, and other items are not included. I. Precautions: Light and different displays may cause the color of the item to vary slightly from the actual one. The allowable measurement error is ±1 - 3 cm.