Clamping Range and Ease of Use: Our drill chuck adapters come in two sizes, black with a clamping range of 0.6~8mm and silver with 0.3~6.5mm. They are compact, lightweight, and designed for effortless installation and safe, quick operation, making them user-friendly and efficient for various tasks. Functionality and Efficiency: Equipped with 1/4 inch hex shanks, these adapters fit securely into power tools, transforming a cordless electric driver into a drill or grinder. This feature allows for seamless transitions between tasks, enhancing work efficiency and versatility in your projects. Material and Design: Constructed from durable carbon steel and featuring a three-flap clamp design, these drill chuck adapters offer a stable grip and improved concentricity. This design ensures a secure attachment and prevents accessories from falling out or flying off during use, enhancing safety and reliability. Wide Compatibility and Applications: Ideal for use with rotary tools, these adapters support a variety of lightweight accessories such as drill bits, sanding drums, buffing wheels, twist drills, and cutting wheels. They are essential for anyone looking to extend the capabilities of their power tools. Color: As Shown Material: Metal Package Contents: 2*Drill Chuck Adapter(0.6-8mm, 0.3-6.5mm)