Car Oil Pressure Sensor Socket with 3/8" Drive,Anti-Rust 1 1/16 Socket for Dismantling Oil Sending Units,Professional 27mm Sockets for Use with 3/8" Drive or 1 1/8" Hex Wrench. ANTI-TORSION & ANTI-RUST: The car sensor socket is made of high-strength steel and can withstand high-torque working.