- This four-piece set is designed to efficiently drill holes for screw sizes #5, #6, #8, #10, and #12, ensuring you have the right tool for various fastening needs. - The adjustable counter sleeve allows you to set precise depths using the included Allen wrench, providing flexibility and precision in your projects. - Featuring a standard hex shank, this set is compatible with any quick-change drill, enhancing your workflow and saving you time during transitions. - Drill and countersink for wood screws in one go, eliminating the need to switch bits and streamlining your tasks, whether for woodworking, furniture assembly, or home repairs. Practical applications include: 1. Perfect for DIY enthusiasts tackling furniture projects, allowing for seamless assembly with clean, precise countersinks. 2. Ideal for professional carpenters and contractors who need reliable tools for efficient and accurate installations. 3. Great for home repairs, enabling you to quickly and effectively secure fixtures and fittings without the hassle of changing bits. Experience enhanced performance, functionality, and compatibility with this essential drilling tool set, tailored to meet your woodworking and fastening requirements.