Oil Pressure Sensor Socket, Oil Filter Socket, 3/8" Drive Oil Pressure Sending Unit Socket Fits 1 1/16" Switch, Oil Pressure Switch Socket for Quick Removing/Installing Oil Sending UnitGood material: The automobile oil pressure sensor socket is made of chromium molybdenum and solid cast steel structure, ensuring durability. The surface is treated with black oxidation to effectively prevent rust, making it resistant to breakage and deformation for long-term stability and reliability. Function: This 1 1/16 socket is designed to remove and replace faulty oil pressure switches, ensuring the smooth operation of the engine. Its hexagonal drive design provides a strong locking force to prevent slipping or falling off, especially when used in tight spaces. Range of use: This hydraulic switch socket is widely applicable in hydraulic transmission units, suitable for various motors, with an inside diameter of 3/8" for 3/8" drives on one end and an inside diameter of 1 1/8" for 1 1/8" wrenches on the other. Easy installation: Installation and removal with this oil pressure switch socket are straightforward. Simply plug it into the vehicle's hydraulic transmission port and use a hex wrench to easily detach the hydraulic transmission unit, saving time and effort. Dimensions: 5.79 x 3.15 x 1.3 inches.