UNIVERSAL APPLICATION: This oxygen sensor socket set is suitable for oxygen sensors on most every modern vehicle, making this set useful for many types cars.FAST SOLUTION: This oxygen sensor socket set cut out and slots enable sockets to be fitted over wiring harnesses, helping the user get the job done quickly and efficiently.HEATED AND NON HEATED SENSORS: This oxygen sensor sockets are ideal for removing, inspecting or replacing heated and non heated oxygen sensors on most vehicles.REPAIRS DAMAGED THREADS: This spark plug thread chaser set comes with two thread chasers that clean and repair damaged threads.USEFUL FITTINGS: This oxygen sensor socket kit fittings are suitable for Titania and Zirconia oxygen sensors found in nearly all modern cars. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.