Universal compatibility: Works with a wide range of drills, enabling versatile use across many tasks. Color coded: Each bit is color coded for easy identification during use, reducing setup time and mistakes. Material and included accessories: Drills are made of heattreated steel for longlasting strength and durability. The set includes hole saws, countersunk drills and wood flat drill bits. Portable storage: Packed in a plastic box for safe storage and easy carrying, ideal for onthego projects. Use scenario 1: Building a wooden shelf or cabinet, using wood flat drill bits for clean pilot holes and countersunk drills for flush screw heads. Use scenario 2: Installing hardware or layout work that requires larger openings, using hole saws to create precise holes. Use scenario 3: Onsite woodworking or repairs, taking advantage of the complete kit and organized storage for quick, reliable drilling tasks.