Durable Material: The drill chuck is made of high-quality alloy, providing tight clamping, wear resistance, and durability. Surface plating helps prevent rust. Lightweight and compact design ensures comfortable use without added bulk. Three Jaw Design: The chuck features a three-jaw configuration based on triangular stability principles, securely gripping drill bits from three directions for enhanced stability, secure clamping, and safe operation. Universal Hex Handle: The universal 1/4 inch hex shank easily attaches to most electric screwdrivers, converting them into a convenient drill or grinder for quick and easy tool changes. Wide Range of Applications: Ideal for daily maintenance, woodworking, drilling, sanding, and DIY projects. This chuck helps improve work efficiency and expands the functionality of your electric screwdriver. Quantity and Size: Includes 2 drill chucks – one silver keyless chuck measuring 72 mm in length with a clamping range of 0.3–6.5 mm, and one black keyless chuck measuring 49 mm in length with a clamping range of 0.3–3.6 mm. Suitable for a wide variety of applications.