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 risk of slipping and ensuring accurate hole placement. CLEAN AND SMOOTH HOLES: The drill bit's unique design minimizes splintering and produces clean, smooth holes in various materials. Enjoy professional-grade results and a polished finish every time. VERSATILE USE: These drill bits are suitable for various materials, including wood, plastic, concrete, brick, marble, glass, ceramic, and metal. Offers versatility for a wide range of projects. ENHANCED DURABILITY: Made from premium material that provides increased hardness and resistance to wear, withstanding heavy-duty use. The spiral groove design clears particles quickly and reduces friction and heat for faster, cooler drilling performance. COMPATIBLE SIZES: The set includes 4 commonly used drill bit sizes (6mm, 8mm, 10mm, 12mm) to meet general drilling needs. Notice: 1. Actual color may be slightly different from the image due to different lighting conditions. 2. Please allow 1-3 cm deviation due to manual measurement. Specification: 4 pieces (6mm, 8mm, 10mm, 12mm) Package List: 4 x Four-Blade Eccentric Drill Bits