- Four-piece set designed specifically for drilling holes for screw sizes #5, #6, #8, #10, and #12, ensuring you have the right bit for any project. - Features a uniquely designed steel counter sleeve that effectively countersinks or counterbores holes, providing a clean and professional finish. - Adjustable counter sleeve depth allows for precise control, making it easy to customize the depth of your countersink with an included Allen wrench. - Standard hex shank is compatible with quick-change systems, enhancing efficiency and allowing for rapid bit changes. Practical Applications: - Ideal for woodworking projects where a flush finish is required, such as cabinet assembly or furniture building. - Perfect for construction tasks that involve drywall installation, ensuring screws are countersunk for a smooth surface. - Useful in metalworking applications where precise hole depth is critical, facilitating clean and accurate installation of fasteners. This set combines functionality, versatility, and durability, making it an essential addition to your toolkit.