- [4-PIECE SET] This comprehensive set includes four high-performance drill bits in sizes 5mm, 6mm, 8mm, and 10mm, making it ideal for a wide range of drilling tasks. - [PREMIUM CARBIDE MATERIAL] Crafted from industrial-grade coated carbide, these drill bits provide exceptional toughness and wear resistance, ensuring they withstand extensive use without compromising performance. - [FOUR CUTTING EDGES] Engineered with four cutting edges, these bits enhance drilling efficiency and speed, making them particularly effective for tough materials like granite tiles. - [MULTI-SURFACE USAGE] Versatile enough to drill through ceramic, stone, wood, plastic, and concrete walls, these bits cater to all your home improvement projects. - [APPLICATION SCENARIOS] Perfect for professionals and DIY enthusiasts alike, use these bits for installing fixtures, creating holes for plumbing, or even crafting custom furniture. Whether you're renovating a bathroom or building outdoor furniture, these drill bits provide the reliability you need.