The Performance Tool Durable Oil Sender Unit Socket is an essential tool for any mechanic or DIYer. Constructed with heat-treated chrome vanadium steel, this socket is built to last and withstands heavy use. The chrome plating ensures superior resistance against rust and corrosion, maintaining a clean appearance and extending its lifespan. The versatile fit accommodates both 1" and 1 1/16" sender units, as well as some stop light switches, providing a flexible tool for various automotive applications. The socket is easy to use and can be used with a 3/8" ratchet or 3/4" wrench. It comes in two sizes, providing maximum flexibility to handle a range of sender units. Invest in the Performance Tool Durable Oil Sender Unit Socket for a reliable and long-lasting addition to your automotive tool collection.