【Design】Standard 6 point with low profile and slotted design to enable you remove oxygen sensors with the wiring harness still attached, and the socket is offset and compact which allows extra leverage even in hard to reach spots. | 【USE】Built for use with ratchets and breakers bars to remove and install oxygen sensors and hex vacuum switches on vehicle, even if you don't have a lot of experience working with cars. This high quality tool can save your time! | 【Package】1-pc 3/8” Dr. extra deep broach socket (3-1/8” long), 1-pc 3/8” Dr. low-profile crowfoot socket wrench (1-1/4” long), 1-pc 1/2” Dr. offset crowfoot socket wrench (1-15/16” long), 1-pc M18 x 1.5mm and 1-pc M12 x 1.25mm thread chasers with 3/8” drive to clean and repair damaged threads | 【Material】Made from high performance chrome molybdenum and solid cast steel construction for strength and durability - Finished with Black Oxide to prevent rust. | 【Service】If you have any issues with the Oxygen Sensor Socket Wrench and Thread Chaser Set, simply contact customer service for troubleshooting help, parts, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.