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. Achieve professional-grade results and a polished finish consistently. VERSATILE USE: These drill bits are suitable for use on wood, plastic, concrete, brick, marble, glass, ceramic, and metal. Offers versatility for a wide range of applications. ENHANCED DURABILITY: Made from premium material for increased hardness and wear resistance, designed to withstand heavy-duty use. Maintains sharpness and performance over time. The spiral groove design helps clear debris quickly, reduces friction and heat, enabling faster and cooler drilling. COMPATIBLE SIZES: The set includes 4 commonly used sizes (6mm, 8mm, 10mm, 12mm) to meet general drilling needs. Notice: 1. Actual color may vary slightly from the image due to lighting effects. 2. Please allow 1-3 cm variation due to manual measurement. Specification: 4 pieces (6mm, 8mm, 10mm, 12mm) Package List: 4 x Four-Blade Eccentric Drill Bits