Feature 1Function: This oxygen sensor rethread chaser tool is designed to re tap oxygen sensor threads, straighten damaged threads and prevent future cross threads. 2Advantage: The oxygen sensor thread repair tool makes re tapping the oxygen sensor installation a breeze, eliminating cross threaded holes and keeping your vehicle running smoothly. 3Application: M12x1.25 can be used with 3/8in hex socket. M18x1.5 can be used with 3/4in hex socket or 3/8in square screwdriver, also works with M18x1.5 spark plug threads. 4High Quality Material: Made of premium metal material, oxygen sensor rethread chaser tool has high hardness, wearproof and durable in use. 5Long Service Life: Exquisite and careful workmanship, O2 sensor thread repair tool can be used for a long time, saving your cost, do not need to change frequently.Item Type:OxygenSensorThreadRepairToolMaterial: IronThread Size: M12x1.25, M18x1.5Colour: BlackApplication: Thread repair, spark plug repair .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x OxygenSensorThreadRepairToolNoteUse an antiseize agent