[Function] These keyless drill chucks can easily convert a cordless power screwdriver into a drill or grinder, enabling fast task switching and maintaining work efficiency. They are essential accessories for power tools. [Wide Range of Applications] These drill chucks are designed to fit most drills and cordless power screwdrivers. Suitable for use in cars, garages, warehouses, offices, homes, and more. [Easy Loading and Unloading] This keyless drill chuck allows quick conversion from driving to drilling in seconds. Enables one-handed operation, ideal for working in tight spaces. [Size] 0.3 - 3.6 mm, 30g; 0.6 - 8.0 mm, 48g Color: Black Material: Aluminum alloy + carbon steel Package Contents: 1 set * drill chuck Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.