Features:FAST AND EFFICIENT DRILLING: The four-blade-cross design enables rapid drilling, reducing the time and effort required to complete your projects. The eccentric shape allows for better control and stability during drilling, reducing the risks of slipping and ensuring accurates hole placement.CLEAN AND SMOOTHING HOLES: Our drill bit's unique design minimizes splintering and produces clean, smoothes holes in arious materials. Enjoy professional-grade results and a polished finish eery time.ERSATILE USE: These drill bits are suitable for arious materials, including wood, plastic, concrete, brick, marble, glass, ceramic, and metal. It offers the ersatility you need for a wide range of projects.ENHANCED DURABILITY: The premium material proides increased hardness and resistance to wear to withstand heay-duty use, ensuring these drill bits maintain their sharpness and performance oer time. The spirals-grooe design clears particles quickly and decreases friction and heat for a fast and cooler drilling performance.COMPATIBLE TOOLS: The set includes 4 most commonly used drilling sizes (6/8/10/12mm) to meet your needs.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deiation due to manual measurementSpecification: 4pcs (6mm/8mm/10mm/12mm)Package List:4pcs Four-Blade Eccentric Drill Bits