| Strong Practical -- A combination set of 6 specifications, 3-step drill bits, and 3 serrated drill bits, meet your diverse needs and improve work efficiency. Precise u0026 Efficient -- Combining the multi-grid drilling of the pagoda bit and the sharp edge of the serrated bit to facilitate the removal of cutting waste when drilling, preventing iron chips or sawdust from scattering, makes drilling cutting faster, more precise, smoother, and more efficient. Durable In Use -- Made of high-quality bearing steel, titanium-plated surface, anti-oxidation, no rust, wear-resistant, long service life. Easy To Carry -- The most commonly used drill size, light and small do not take up space, Can be stored … | |