Features:1 Effortlessly drill precise holes Self-centering drill bits make accurate drilling quick and easy Save time and energy by effortlessly creating perfectly centered holes 2 Drill accurate, well-centered holes every time with self-centering drill bits Work smarter and increase your productivity with precise, accurate drilling3 Create perfectly centered holes: The self-centering drill bit is built with a spring-loaded guide that centers the bit The spring-loaded guide in the bit creates precise positioning every time 4 7 bits included, versatile sizing: The self-centering drill bits come in 7 different sizes, ensuring you always have the right size bit for any job With perfectly aligned positioning, you'll create a clean, professional product 5 Accurate, reliable, and built to last: Made from carbon steel and Made of aircraft-grade aluminum, the drill bits are durable, strong, and designed to withstand extended use The bits are perfect for installing door hinges, cabinets,