Features: * brand new and high quality *Made of high quality material durable and practical to use *22mm inside diameter allows socket to pass over wiring. *Easy installation *Stable characteristics high reliability *With hexagonal design when the interface is inconvenient you can also use wrench pliers to disassemble *Suitable for heated and unheated oxygen sensors. Specification: *Material: Chrome vanadium steel (blackened finish) *Color: Black (as pictures show) *Optional Sizes (approximately):3/8 Inch (10mm) 8mm Slot 3/8 Inch (10mm) 18mm Slot 1/2 Inch (12.5mm)18mm Slot *Type: Oxygen Sensor Socket *Inside Diameter : 22mm (approximately) Package Contents: 1* 22mm Oxygen Sensor Socket Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.