【Versatile 30-Piece Set】This kit includes 30 diamond grinding heads with 2.35mm shanks, perfect for electric grinding tools and nail art applications 【Multi-Material Compatibility】Ideal for working on wood, glass, plastic, metal, stone, tiles, ceramics, and more, offering exceptional versatility for various projects 【High Efficiency and Durability】These diamond-coated bits provide superior grinding performance with long-lasting durability, ensuring efficient and effective results 【Dust-Free Operation】Replaces traditional small grinding wheels, eliminating dust pollution for a cleaner work environment 【Easy and Safe to Use】Simple operation with reliable safety features makes these grinding heads suitable for both professionals and DIY enthusiasts 【Nail Art Precision】Perfect for shaping nail edges and sculpting acrylic and gel nails with precision and ease Specifications: Shank Diameter: 2.35mm Length: 45mm Material: Diamond-coated grinding heads Quantity: 30 pieces Application: Electric grinding tools, nail art, and various material processing