Easy to Use: Effortlessly adjust your drill chuck for optimal performance. Precise Control: Ideal for adjusting the tightness or looseness of your drill's clamping tool. Durable Steel Construction: Made from high-quality steel for long-lasting durability. Black Finished: Features a protective black finish for enhanced resistance to wear and corrosion. Packaging: Conveniently packaged on a sliding card for easy storage and display. Ensure your drill operates smoothly with this 13mm chuck key (1/2”), designed for precise adjustments and built to withstand heavy use.