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 risks of slipping and ensuring accurates hole placement. CLEAN AND SMOOTHING HOLES: Our drill bit's unique design minimizes splintering and produces clean, smoothes 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. It offers the versatility you need for a wide range of projects. ENHANCED DURABILITY: The premium material provides increased hardness and resistance to wear to withstand heavy-duty use, ensuring these drill bits maintain their sharpness and performance over time. The spirals-groove design clears particles quickly and decreases friction and heat for a fast and cooler drilling performance. COMPATIBLE TOOLS: The set includes 4 most commonly used drilling sizes (6/8/10/12mm) to meet your needs. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Specification: 4pcs (6mm/8mm/10mm/12mm) Package List: 4pcs Four-Blade Eccentric Drill BitsNote: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!