Description This is a professional percussion drill accessory, easy to use, easy to install, safe, and easy to replace. Easily lock and release the drill bit for quick changeover. It has a wide range of applications. This drill chuck has exquisite workmanship, which brings convenience to your work, and can be adapted to most electric drills and cordless electric screwdrivers. Features - Color: black.- Material: alloy.- Size:2.40X1.40X1.40cm/0.94X0.55X0.55inch.- Chuck Range 0.4-3.2mm.- These electric grinder chuck can be used in car, garages, warehouses, offices, homes, etc.- Lightweight and easy to install and unload, this drill chuck converter can go from driving to drilling in a few seconds.- The compact size allows you to drill holes with one hand freely, which is suitable for working in small spaces.- Made of high-quality alloy materials, stable performance, you can use it for a long time.- Easily lock and release the drill bit, safe and give you a good use experience. Packing list: 2 x Drill Chuck Adapters