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 for 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: Includes 4 commonly used sizes (6mm, 8mm, 10mm, 12mm) to meet your drilling needs. NOTICE: 1. Actual color may vary slightly due to lighting effects. 2. Please allow 1-3 cm deviation due to manual measurement. Specification: 4 pcs (6mm, 8mm, 10mm, 12mm) Package List: 4 pcs Four-Blade Eccentric Drill Bits