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 a wide range of materials, including wood, plastic, concrete, brick, marble, glass, ceramic, and metal. Ideal for use in multiple applications and project types. ENHANCED DURABILITY: Made from premium material for increased hardness and wear resistance, designed to withstand heavy-duty use. The spiral groove design helps clear debris quickly, reduces friction and heat, and supports efficient drilling performance. COMPATIBLE SIZES: The set includes 4 commonly used sizes (6mm, 8mm, 10mm, 12mm) to meet general drilling requirements. 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