Features: 1. Effortlessly drill precise holes. The self-centering drill bits make precise drilling quick and easy, saving time and energy by creating perfectly centered holes. 2. Drill accurate, well-centered holes every time with the self-centering drill bits. Work efficiently with consistent, accurate results. 3. Create perfectly centered holes: The self-centering drill bit features a spring-loaded guide that automatically centers the bit for precise positioning every time. 4. Set of 7 bits with versatile sizing: The self-centering drill bits come in 7 different sizes, ensuring the right bit for various applications. Achieve clean, professional results with perfectly aligned holes. 5. Durable and reliable construction: Made from carbon steel and aircraft-grade aluminum, these drill bits are built to last and withstand extended use. Ideal for door hinge installation, cabinet assembly, drawer installation, and similar tasks. Notice: - Actual color may vary slightly due to monitor settings and lighting conditions. - Slight measurement deviations may occur due to manual measurement. Specification: - Material: Brass + HSS - Handle diameter: 1/4 inch (6.35mm) - Handle type: Hexagonal - Color: Silver tone - Hole diameters: 5/64" (approx. 2mm, use with 2.2–2.8mm tapping screw) 7/64" (approx. 2.8mm, use with 3–3.5mm tapping screw) 9/64" (approx. 3.5mm, use with 4–4.5mm tapping screw) 11/64" (approx. 4.5mm, use with 5–5.5mm tapping screw) 13/64" (approx. 5.1mm, use with 5.6–6.1mm tapping screw) 1/4" (approx. 6.3mm, use with 6.8–7.3mm tapping screw) 5mm (approx. 5mm, use with 5.5–6mm tapping screw) - Set includes: 7 pieces (5/64", 7/64", 9/64", 11/64", 5mm, 13/64", 1/4") - Package includes: 1 set (7 pcs) x Self-Centering Drill Bits