1. Versatile Set: The 7PCS tile drilling tool drill bit set includes sizes of 1/4, 3/8, 1/2, 6mm, 8mm, 10mm, and 12mm, making it suitable for various projects involving stone and marble. 2. Efficient Dry Drilling: This stone dry drilling drill bit is designed to provide efficient performance without the need for water, helping to create clean and precise holes in tiles or stone surfaces. 3. Marble Drilling: These bits are designed for drilling into marble, helping to achieve smooth and accurate results while reducing the risk of chipping or cracking. 4. Construction: Made from high-quality materials, the 7PCS tile drilling tool drill bit set is built to withstand regular use, offering durability and reliability for both DIY users and professionals. 5. Easy Compatibility: Each drill bit in the set is compatible with standard power tools, allowing for easy size changes as needed for different drilling tasks involving stone and marble. Color: As shown Material: Carbon steel Package Contents: 7 x Tile drilling tool drill bit Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.