The Quinn 21mm Low Profile Impact Socket is a high-quality, durable hand tool designed for automotive use. With a 6-point design and 1/2" drive size, this socket is built to last and withstand tough applications. The black oxide finish adds corrosion resistance, while the metric size ensures precise fitment. This single item socket comes with a lifetime warranty, making it a reliable and trustworthy addition to any toolbox. Made in Taiwan, this Quinn socket is a valuable tool for any car enthusiast or professional mechanic.