1.0.38mm Drill Chuck with 1/4 inch Hex Shank Wide Clamping Range: Adjustable from 0.3 mm to 8 mm, making it compatible with a broad selection of drill bits for use on metal, wood, and plastic materials when working with 1/4 inch hex shank tools. Keyless Chuck Design: Allows fast, effortless bit changes without additional tools. The secure locking mechanism holds bits firmly in place during speed operations for reliable performance. Hex Shank Adapter Function: Converts your hex drive power driver into a versatile drilling tool, enabling the use of conventional roundshank drill bits with your existing driver setup. Durable Construction: Lightweight aluminium alloy body paired with carbon steel gripping components ensures longlasting strength and dependable performance in both workshop and field use. Practical Applications: 1. Quickly switch between different drill bit sizes when installing fixtures in wood or metal surfaces, without needing separate drill drivers. 2. Perform precision drilling in plastics or thin sheet metal where bit stability is essential for clean results. 3. Adapt a cordless impact driver for use with standard roundshank masonry bits when working on home repairs or construction sites. This drill chuck is designed to deliver versatility, reliability, and durability in everyday tasks, providing an efficient solution for professionals and DIY users who need to work across different materials and project types.