durable carbon steel construction provides strength and reliability for task execution in a range of conditions. Comfortable antislip handle features a large spherical grip, making operation easier and enabling quick drill bit replacements with minimal effort. Quick connect screw extractor compatibility allows rapid connection of screw extractors; designed for specific sizes to streamline screw removal and reduce downtime. 1/4 inch hexagonal handle fits electric drills that lack quickchange chucks, offering stable performance and easy accessory changes during projects. Use scenarios: When performing multistep drilling projects that require frequent bit changes, the antislip handle helps you switch bits quickly and safely. For removing damaged or stripped screws, attach the appropriate screw extractor via the quickconnect system for faster, reliable extraction. When using a drill without a quickchange chuck, the 1/4 inch hexagonal handle provides a stable interface and easy accessory changes.