Proper accessories: Easy to use and easy to install, safe, fast, 1/4 inch hexagon wrench card is an easy access to screwdriver.Function: These keyless drill chucks can easily turn cordless screwdriver into a drill or grinder to achieve fast switching tasks and maintain work progress; They are essential electrical tool accessories.Wide range of applications: these drill chucks have various specifications and can be adapted to most drills and cordless screwdrivers. They can be applied in car, garages, warehouses, offices, homes, etc.Easy loading and unloading: This keyless drill chuck converter can go from driving to drilling in seconds, and also give you the freedom to drill with one hand, which is great for working in tight spaces.Size:75 x 23.8 mm / 54 x 17 mmMaterial:steelcolour:SilverPackage Contents:2 x Keyless drill chucksOnly 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.