Precision & Versatility: The Drill Bit set features 8 different sizes ranging from 9/16inch to 1inch for precise drilling needs, whether it's wood, metal, or plastic, these versatile bits are perfect for both professional and personal use. Industrial-Grade Durability: Made with superior quality high-speed steel enhanced with a black and gold two-tone , these drill bits offer high hardness, excellent corrosion resistance, ensuring long-lasting durability for heavy duty work. Superb Efficiency & Drilling Accuracy: Each of the drill bits is designed with a 135-degree split point, enabling fast and efficient drilling experience, ensuring self-centering drilling, accurate start, and prevention of tool walking or wobbling. Optimized for Secure Installation: Our drill bits have a reduced 1/2-inch shank and triple-flat construction, providing a tighter gripping power for more precise drilling; this allows for secure mounting on power tools without any risks of slipping. Wide Spectrum of Applications: These drill bits effectively penetrate through various materials such as plastic, copper, and even stainless steel. An asset for any toolbox, well-suited for diverse projects encompassing metal, plastic, and woodworkings. Colour:Photo Color Material:Metal Package Contents: 1x Silver and Deming Drill-Bit Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.