Professional rivet nut adapter kit: with a hexagonal thumb conductor, the adapter can be used with standard cordless drills and screwdrivers, or instead of the drill, a 3/8 socket wrench can also be used to become a powerful rivet plier, then you can easily process M3 to M8 rivet nuts.labour-saving and sustainable: the drill adapter kit comes with a sturdy handle for easy protection. The high-quality TPR coated handles are non-slip and provide comfort.Interchangeable 5-type mandrel and high efficiency: rivet nut attachment comes with 5 interchangeable mandrels (M3, M4, M5, M6, M8). Simply unscrew the head cover, replace the corresponding mandrel and screw it back on.Suitable for different materialsRivet nut attachment is suitable for aluminum, zinc alloy, stainless steel rivet nuts, etc.For aluminum and stainless steel rivet nuts, you need a 12V or higher voltage cordless drill. (All drills must be equipped with a torque limit coupling).Easy to carry and versatile: the electric drill adapter kit comes with a sturdy carry bag for easy protection and storage of the drill adapter and mandrel, making it easy to carry. Widely used for installation and maintenance in buildings, cars, lifts, instruments and furniture."