[Package Included]: 3PCS 1/4inch hex keyless drill chuck, include 1X 0.3mm-3.6mm drill chuck, and 2X 0.3mmx6.5mm dill chucks. Easy to use and install, fast, convenient and safe, it is an accessory in .[Quik Change Adapter Converter]: Keyless design allows one to and quickly swap bits and wires, easy to load and unload. Can quickly switch tasks and maintain work , which simplified all your tasks. Hexadecimal drive power tools are allowed to be applied with most drill bits.[ Quality Control]: mini adaptor drill chuck manufactured under quality control. Made of high qualitity metal meterial. Durable, -made, they are good enough for most jobs. Small size and light weight, will not bring additional burden to the operation.[Keyless Drill Chucks Design]: Keyless drill chucks can turn a cordless electric screwdriver into a drill or grinder; Can be to adjusted to quickly switch tasks and maintain work . They are accessories.[Wide usage]: These drill chucks' specifications are 0.3mm-3.6mm/0.3mm-6.5mm, which suitable for most drills and cordless power screwdrivers. For repairers, model , DIY enthusiasts,It is an perfect tool to use in garages, warehouses, offices, houses and other .Colour: Black + silverMaterial: steelPackage Contents:3 * Keyless Drill ChuckOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.