DescriptionThis drill bits can be installed on ordinary electric hand drills, bench drills, percussion drills, etc. Professional drill bits for smooth and precise drilling on tiles, marble, porcelain, mirrors and glass. Stable and practical, good performance, safe and durable, it will bring you good experience.Features- Color: As shown.- Material: Cemented carbide.- Size: 8.80X1.00X1.00cm/3.46X0.39X0.39 inch.- Made from high-quality material, they are sturdy, wear-resistant, and durable and useful.- Designed for quick and accurate drilling, which saves time and effort and satisfies different drilling accuracy.- With high hardness and wear resistance, they can provide accurate drilling positioning and high efficiency.- Used for wood, plastic, aluminum, steel, etc. Suitable for drilling machine, electric hand drill, etc.- Stable and practical, good performance, safe and durable, it will bring you good experience.