Features: 1. Surface electroplating treatment, anti-rust, easy hexagon installation.2. CEL fix-O2 sensor check engine light eliminator adapter.3. Oxygen sensor adapter is used for check engine light to fix sensor vulnerability M18*1.54. Simply thread on existing plug Specification: Condition: Brand newMaterial: mild steel and nickel platedInternal and External Thread: M18x1.5Color: As pictures shownLongitud: 55mm Fitment Fits all standard oxygen sensors with M18 x 1.5 Package content: 2 x O2 Oxygen Sensor Extender Spacer 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.