Effortlessly tackle tire changes with Lug Nut Flip Socket, featuring dual sizes (21mm and 21.5mm) for versatility and convenience. Made from high-strength chrome vanadium steel, this impact socket is designed to withstand heavy-duty use while providing a secure fit on lug nuts. lug socket is innovative flip design allows for quick size changes without the need for multiple tools, making it an essential addition to any mechanic's toolkit. Individual sockets is ideal for automotive and roadside emergencies, this socket ensures you’re always prepared.