【Bundle Included】This Impact Driver Socket Adapter includes one 1/4" drive, one 3/8" drive, one 1/2" drive. 【DIY】The Impact Driver Sleeve Adapter Set is specially designed for Impact use, featuring a spring-loaded locating ball to securely lock the sleeve, while the adapter and through holes on the drive end of the reducer lock onto the drive handle. Great for DIY, home maintenance and most general repairs, not for industrial work. Great tool for any toolbox set 【High Quality】Impact driver sleeve set is made of heat treated chrome vanadium steel with black oxide coating, adapter and reducer are made of high strength high quality chrome molybdenum steel with manganese phosphate coating, which helps Rust and Corrosion Resistant and Longevity Guaranteed 【Wide Application】Socket Adapter Set is suitable for quick change 1/4 inch chuck system or direct insert drill chuck. Plug any power cordless drill into the power nut driver. Easy to quickly drive nuts, bolts and fasteners, etc.