[Function] These keyless drill chucks can easily turn cordless power screwdrivers into drills or grinders to enable fast task switching and maintain work efficiency; they are essential accessories for power tools. [Wide Range of Applications] These drill chucks have standard specifications and are compatible with most drills and cordless power screwdrivers; they can be used in cars, garages, warehouses, offices, homes, and more. [Easy Loading and Unloading] This keyless drill chuck allows quick switching from driving to drilling in seconds and supports one-handed operation, making it 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 Note: The package includes only the items listed above; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is permitted within +/- 1-3 cm.