[Package Included]: 3 pcs 1/4 inch hex shank keyless drill chucks, including 1 x 0.3 mm - 3.6 mm drill chuck and 2 x 0.3 mm - 6.5 mm drill chucks. Easy to use and install, fast, convenient and safe, it is an essential power tool accessory. [Quick Change Adapter Converter]: Keyless design allows for easy and quick bit changes, simplifying tasks and maintaining work efficiency. Compatible with most drill bits using a hex drive power tool. [Quality Control]: Our mini adapter drill chucks are manufactured under strict quality control. Made of high-quality metal material. Durable and well-constructed for most applications. Compact size and lightweight design do not add extra burden during operation. [Keyless Drill Chucks Design]: Keyless drill chucks allow you to easily convert a cordless electric screwdriver into a drill or grinder. Simple adjustment enables quick task switching and continuous workflow. These are essential power tool accessories. [Wide Usage]: These drill chucks support sizes 0.3 mm - 3.6 mm and 0.3 mm - 6.5 mm, compatible with most drills and cordless power screwdrivers. Ideal for repairers, model makers, and DIY enthusiasts. Suitable for use in garages, warehouses, offices, homes, and other locations. Color: Black + Silver Material: Steel Package Contents: 3 x Keyless Drill Chuck Note: Light and display differences may cause slight variations in color between the image and actual item. Measurement may vary by +/- 1-3 cm.