Class 3Jaw Drill Chuck Adapter Secure Grip for Multiple Bit Sizes Designed with a Class 3jaw mechanism that firmly holds roundshank drill bits from 2 mm to 13 mm (0.08–0.51 inches), ensuring stable performance during drilling. Keyless, Tool Operation Keyless design enables quick bit changes without the need for additional tools, allowing fast locking and release for increased efficiency. Quick Change Compatibility Engineered to fit impact drivers and snap easily into most cordless power screwdrivers, providing seamless transitions between tools. Instant Drill Conversion Converts your cordless power screwdriver into a functional drill or grinder within seconds, expanding tool versatility without extra equipment. Durable and Reliable Build Crafted for consistent performance under repeated use, with a robust design that resists wear and maintains secure holding power. Practical Applications: 1. DIY home repairs such as drilling pilot holes for shelves, furniture assembly, or wall mounts. 2. Light construction projects where rapid switching between screwdriver and drill functions saves time. 3. Hobby or workshop use for grinding, polishing, or precision drilling tasks without needing separate tools. This chuck adapter delivers versatility, efficiency, and secure performance, making it an essential accessory for anyone seeking to maximize the capabilities of their cordless power screwdriver or impact driver.