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 provides better control and stability during drilling, helping prevent 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 with a polished finish every time. VERSATILE USE: These drill bits are suitable for use on wood, plastic, concrete, brick, marble, glass, ceramic, and metal. Ideal for a wide range of 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 fast, cooler drilling performance. COMPATIBLE TOOLS: The set includes 4 commonly used sizes (6mm, 8mm, 10mm, 12mm) to meet general drilling needs. Note: 1. Actual color may vary slightly from the image due to different lighting conditions. 2. Please allow 1–3 cm variation due to manual measurement. Specifications: 4 pieces (6mm, 8mm, 10mm, 12mm) Package List: 4 x Four-Blade Eccentric Drill Bits