Features Premium Diamond Construction: Crafted from high-grade diamond material, ensuring exceptional hardness and durability for long-lasting performance during tough drilling tasks High-Speed Drilling Efficiency: Engineered for rapid drilling, this tool delivers neat and smooth openings without broken edges, making your projects quicker and more professional Innovative Chip Removal Design: Features a unique hole design that minimizes cutting resistance, facilitating easier drilling and significantly boosting work efficiency on various materials Protective Paint Spraying Treatment: The advanced coating helps prevent rust and wear, ensuring your tool remains in top condition for consistent use over time Versatile Application Compatibility: Ideal for drilling through marble, stone, vitrified tiles, and ceramic tiles, making it an essential addition to your toolkit for various home improvement projects Features: 1、This drill bit is made of quality metal material, high strength, wearable and 2、Help you easily drill a hole on wood 3、Flat bit design, 5pcs per kit, ranges from 15-35mm 4、Easy to use, compatible with most drill 5、Useful tool for wood work lovers to do DIY Specification: Features: This drill bit is made of quality metal material, high strength, wearable and . Help you easily drill a hole on wood. Flat bit design, 5pcs per kit, ranges from 15-35mm. Easy to use, compatible with most drill. Useful tool for wood work lovers to do DIY. Specification: Material: Steel Color: Shown as picture Type: 15mm/20mm/25mm/30mm/35mm Weight: Approx. 260g Package List: 1 x Drill Bit Set (5pcs) Package List